Home / 87,732,451.17-121,072,629.80-48,041,648.85

Finding the Fourth Proportional to 87,732,451.17, 121,072,629.80 and 48,041,648.85

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Solution

The fourth proportional to 87,732,451.17, 121,072,629.80 and 48,041,648.85 is: 66,298,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,732,451.17 : 121,072,629.80 = 48,041,648.85 : x
  2. Step 2: Convert to fraction form
    87,732,451.17/121,072,629.80 = 48,041,648.85/x
  3. Step 3: Cross multiply
    87,732,451.17x = 121,072,629.80 × 48,041,648.85
  4. Step 4: Simplify right side
    87,732,451.17x = 5,816,528,765,957,438
  5. Step 5: Solve for x
    x = 5,816,528,765,957,438/87,732,451.17
  6. Step 6: Final answer
    x = 66,298,486.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.