Finding the Fourth Proportional to 177,794,220.80, 266,691,331.20 and 104,936,211.20
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Solution
The fourth proportional to 177,794,220.80, 266,691,331.20 and 104,936,211.20 is: 157,404,316.80
Step by Step Solution
- Step 1: Write the proportion equation
177,794,220.80 : 266,691,331.20 = 104,936,211.20 : x - Step 2: Convert to fraction form
177,794,220.80/266,691,331.20 = 104,936,211.20/x - Step 3: Cross multiply
177,794,220.80x = 266,691,331.20 × 104,936,211.20 - Step 4: Simplify right side
177,794,220.80x = 27,985,577,856,012,348 - Step 5: Solve for x
x = 27,985,577,856,012,348/177,794,220.80 - Step 6: Final answer
x = 157,404,316.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.