Home / 87,404,493.60-131,106,740.40-83,672,596.80

Finding the Fourth Proportional to 87,404,493.60, 131,106,740.40 and 83,672,596.80

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Solution

The fourth proportional to 87,404,493.60, 131,106,740.40 and 83,672,596.80 is: 125,508,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,404,493.60 : 131,106,740.40 = 83,672,596.80 : x
  2. Step 2: Convert to fraction form
    87,404,493.60/131,106,740.40 = 83,672,596.80/x
  3. Step 3: Cross multiply
    87,404,493.60x = 131,106,740.40 × 83,672,596.80
  4. Step 4: Simplify right side
    87,404,493.60x = 10,970,041,427,251,470
  5. Step 5: Solve for x
    x = 10,970,041,427,251,470/87,404,493.60
  6. Step 6: Final answer
    x = 125,508,895.20

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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.