Finding the Fourth Proportional to 73,935,156.17, 102,023,668.38 and 40,894,694.18
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Solution
The fourth proportional to 73,935,156.17, 102,023,668.38 and 40,894,694.18 is: 56,430,890.71
Step by Step Solution
- Step 1: Write the proportion equation
73,935,156.17 : 102,023,668.38 = 40,894,694.18 : x - Step 2: Convert to fraction form
73,935,156.17/102,023,668.38 = 40,894,694.18/x - Step 3: Cross multiply
73,935,156.17x = 102,023,668.38 × 40,894,694.18 - Step 4: Simplify right side
73,935,156.17x = 4,172,226,717,521,836 - Step 5: Solve for x
x = 4,172,226,717,521,836/73,935,156.17 - Step 6: Final answer
x = 56,430,890.71
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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.