Finding the Fourth Proportional to 71,503,273.26, 107,208,753.12 and 30,589,402.14
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Solution
The fourth proportional to 71,503,273.26, 107,208,753.12 and 30,589,402.14 is: 45,864,357.15
Step by Step Solution
- Step 1: Write the proportion equation
71,503,273.26 : 107,208,753.12 = 30,589,402.14 : x - Step 2: Convert to fraction form
71,503,273.26/107,208,753.12 = 30,589,402.14/x - Step 3: Cross multiply
71,503,273.26x = 107,208,753.12 × 30,589,402.14 - Step 4: Simplify right side
71,503,273.26x = 3,279,451,662,115,660 - Step 5: Solve for x
x = 3,279,451,662,115,660/71,503,273.26 - Step 6: Final answer
x = 45,864,357.15
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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.