Home / 82,294,374.66-123,469,002.75-54,736,932.70

Finding the Fourth Proportional to 82,294,374.66, 123,469,002.75 and 54,736,932.70

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Solution

The fourth proportional to 82,294,374.66, 123,469,002.75 and 54,736,932.70 is: 82,123,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,294,374.66 : 123,469,002.75 = 54,736,932.70 : x
  2. Step 2: Convert to fraction form
    82,294,374.66/123,469,002.75 = 54,736,932.70/x
  3. Step 3: Cross multiply
    82,294,374.66x = 123,469,002.75 × 54,736,932.70
  4. Step 4: Simplify right side
    82,294,374.66x = 6,758,314,494,062,865
  5. Step 5: Solve for x
    x = 6,758,314,494,062,865/82,294,374.66
  6. Step 6: Final answer
    x = 82,123,650.88

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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.