Home / 89,162,634.90-123,057,885.60-54,375,504.90

Finding the Fourth Proportional to 89,162,634.90, 123,057,885.60 and 54,375,504.90

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Solution

The fourth proportional to 89,162,634.90, 123,057,885.60 and 54,375,504.90 is: 75,046,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,162,634.90 : 123,057,885.60 = 54,375,504.90 : x
  2. Step 2: Convert to fraction form
    89,162,634.90/123,057,885.60 = 54,375,504.90/x
  3. Step 3: Cross multiply
    89,162,634.90x = 123,057,885.60 × 54,375,504.90
  4. Step 4: Simplify right side
    89,162,634.90x = 6,691,334,661,426,439
  5. Step 5: Solve for x
    x = 6,691,334,661,426,439/89,162,634.90
  6. Step 6: Final answer
    x = 75,046,398.85

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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.