Finding the Fourth Proportional to 99,520,107.74, 149,218,575.68 and 38,864,508.38
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Solution
The fourth proportional to 99,520,107.74, 149,218,575.68 and 38,864,508.38 is: 58,272,712.08
Step by Step Solution
- Step 1: Write the proportion equation
99,520,107.74 : 149,218,575.68 = 38,864,508.38 : x - Step 2: Convert to fraction form
99,520,107.74/149,218,575.68 = 38,864,508.38/x - Step 3: Cross multiply
99,520,107.74x = 149,218,575.68 × 38,864,508.38 - Step 4: Simplify right side
99,520,107.74x = 5,799,306,584,026,609 - Step 5: Solve for x
x = 5,799,306,584,026,609/99,520,107.74 - Step 6: Final answer
x = 58,272,712.08
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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.