Home / 87,399,155.60-131,248,032.60-57,240,717.20

Finding the Fourth Proportional to 87,399,155.60, 131,248,032.60 and 57,240,717.20

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Solution

The fourth proportional to 87,399,155.60, 131,248,032.60 and 57,240,717.20 is: 85,958,856.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,155.60 : 131,248,032.60 = 57,240,717.20 : x
  2. Step 2: Convert to fraction form
    87,399,155.60/131,248,032.60 = 57,240,717.20/x
  3. Step 3: Cross multiply
    87,399,155.60x = 131,248,032.60 × 57,240,717.20
  4. Step 4: Simplify right side
    87,399,155.60x = 7,512,731,517,112,981
  5. Step 5: Solve for x
    x = 7,512,731,517,112,981/87,399,155.60
  6. Step 6: Final answer
    x = 85,958,856.99

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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.