Home / 87,432,003.60-131,227,320.60-44,331,190.80

Finding the Fourth Proportional to 87,432,003.60, 131,227,320.60 and 44,331,190.80

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Solution

The fourth proportional to 87,432,003.60, 131,227,320.60 and 44,331,190.80 is: 66,537,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,432,003.60 : 131,227,320.60 = 44,331,190.80 : x
  2. Step 2: Convert to fraction form
    87,432,003.60/131,227,320.60 = 44,331,190.80/x
  3. Step 3: Cross multiply
    87,432,003.60x = 131,227,320.60 × 44,331,190.80
  4. Step 4: Simplify right side
    87,432,003.60x = 5,817,463,387,691,370
  5. Step 5: Solve for x
    x = 5,817,463,387,691,370/87,432,003.60
  6. Step 6: Final answer
    x = 66,537,001.88

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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.