Home / 87,967,221.60-131,726,883.60-83,936,143.20

Finding the Fourth Proportional to 87,967,221.60, 131,726,883.60 and 83,936,143.20

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Solution

The fourth proportional to 87,967,221.60, 131,726,883.60 and 83,936,143.20 is: 125,690,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967,221.60 : 131,726,883.60 = 83,936,143.20 : x
  2. Step 2: Convert to fraction form
    87,967,221.60/131,726,883.60 = 83,936,143.20/x
  3. Step 3: Cross multiply
    87,967,221.60x = 131,726,883.60 × 83,936,143.20
  4. Step 4: Simplify right side
    87,967,221.60x = 11,056,646,565,139,332
  5. Step 5: Solve for x
    x = 11,056,646,565,139,332/87,967,221.60
  6. Step 6: Final answer
    x = 125,690,528.40

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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.