Home / 87,808,327.20-131,712,490.80-82,881,453.60

Finding the Fourth Proportional to 87,808,327.20, 131,712,490.80 and 82,881,453.60

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Solution

The fourth proportional to 87,808,327.20, 131,712,490.80 and 82,881,453.60 is: 124,322,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,327.20 : 131,712,490.80 = 82,881,453.60 : x
  2. Step 2: Convert to fraction form
    87,808,327.20/131,712,490.80 = 82,881,453.60/x
  3. Step 3: Cross multiply
    87,808,327.20x = 131,712,490.80 × 82,881,453.60
  4. Step 4: Simplify right side
    87,808,327.20x = 10,916,522,694,780,626
  5. Step 5: Solve for x
    x = 10,916,522,694,780,626/87,808,327.20
  6. Step 6: Final answer
    x = 124,322,180.40

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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.