Home / 87,676,985.20-131,534,140.20-27,098,834.80

Finding the Fourth Proportional to 87,676,985.20, 131,534,140.20 and 27,098,834.80

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Solution

The fourth proportional to 87,676,985.20, 131,534,140.20 and 27,098,834.80 is: 40,654,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,676,985.20 : 131,534,140.20 = 27,098,834.80 : x
  2. Step 2: Convert to fraction form
    87,676,985.20/131,534,140.20 = 27,098,834.80/x
  3. Step 3: Cross multiply
    87,676,985.20x = 131,534,140.20 × 27,098,834.80
  4. Step 4: Simplify right side
    87,676,985.20x = 3,564,421,935,839,839
  5. Step 5: Solve for x
    x = 3,564,421,935,839,839/87,676,985.20
  6. Step 6: Final answer
    x = 40,654,020.30

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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.