Finding the Fourth Proportional to 107,840,734.10, 161,761,101.15 and 82,331,566.10
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Solution
The fourth proportional to 107,840,734.10, 161,761,101.15 and 82,331,566.10 is: 123,497,349.15
Step by Step Solution
- Step 1: Write the proportion equation
107,840,734.10 : 161,761,101.15 = 82,331,566.10 : x - Step 2: Convert to fraction form
107,840,734.10/161,761,101.15 = 82,331,566.10/x - Step 3: Cross multiply
107,840,734.10x = 161,761,101.15 × 82,331,566.10 - Step 4: Simplify right side
107,840,734.10x = 13,318,044,791,740,010 - Step 5: Solve for x
x = 13,318,044,791,740,010/107,840,734.10 - Step 6: Final answer
x = 123,497,349.15
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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.