Finding the Fourth Proportional to 125,123,402.40, 187,440,764.67 and 59,451,082.62
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Solution
The fourth proportional to 125,123,402.40, 187,440,764.67 and 59,451,082.62 is: 89,060,528.83
Step by Step Solution
- Step 1: Write the proportion equation
125,123,402.40 : 187,440,764.67 = 59,451,082.62 : x - Step 2: Convert to fraction form
125,123,402.40/187,440,764.67 = 59,451,082.62/x - Step 3: Cross multiply
125,123,402.40x = 187,440,764.67 × 59,451,082.62 - Step 4: Simplify right side
125,123,402.40x = 11,143,556,386,752,146 - Step 5: Solve for x
x = 11,143,556,386,752,146/125,123,402.40 - Step 6: Final answer
x = 89,060,528.83
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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.