Finding the Fourth Proportional to 101,564,528.07, 140,201,958.17 and 68,569,472.31
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Solution
The fourth proportional to 101,564,528.07, 140,201,958.17 and 68,569,472.31 is: 94,654,841.32
Step by Step Solution
- Step 1: Write the proportion equation
101,564,528.07 : 140,201,958.17 = 68,569,472.31 : x - Step 2: Convert to fraction form
101,564,528.07/140,201,958.17 = 68,569,472.31/x - Step 3: Cross multiply
101,564,528.07x = 140,201,958.17 × 68,569,472.31 - Step 4: Simplify right side
101,564,528.07x = 9,613,574,288,545,592 - Step 5: Solve for x
x = 9,613,574,288,545,592/101,564,528.07 - Step 6: Final answer
x = 94,654,841.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.