He predicts a fourfold increase in business in the coming years.

This fourfold increase is the largest jump among all age groups.

Looking back two to four weeks there has been a fourfold increase in the virus.

A fourfold increase in TAG productivity showed that TAG indeed served as an energy sink.

Ischaemia-reperfusion resulted in a fourfold increase in mitochondrial entrapment of 2-DG in the fed group.

I'm told there has been a fourfold increase in cricket in(...)

Citizens Advice reports a fourfold increase over two years in the number of people with payday-loan-related problems.

Higher oil prices and increased production were behind a fourfold increase in first-half operating profits at Dragon Oil.

Special dividends totalled 2.9 billion pounds last year, a fourfold increase from 2010.

Moreover, the researchers measured a fourfold increase of calcium in the water, as compared to the unexposed group.

The result is an almost fourfold increase on the previous year, when profits were £360,000.

Larsen is targeting a fourfold increase in annual defence revenue to $1 billion within the next five years.

By 2018 the number was 51, a fourfold increase.

Gold Standard has reported a fourfold increase in income from individuals and small businesses paying for carbon offsets through its platform.

This would represent a near fourfold increase on the €816,000 surplus achieved in 2006.

BRDU immunohistochemistry revealed a fourfold increase in the number of cells in S-phase in the DB kidneys even without exposure to DCVC.