Home / 89,779,291.38-123,874,289.78-54,496,227.60

Finding the Fourth Proportional to 89,779,291.38, 123,874,289.78 and 54,496,227.60

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Solution

The fourth proportional to 89,779,291.38, 123,874,289.78 and 54,496,227.60 is: 75,191,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,779,291.38 : 123,874,289.78 = 54,496,227.60 : x
  2. Step 2: Convert to fraction form
    89,779,291.38/123,874,289.78 = 54,496,227.60/x
  3. Step 3: Cross multiply
    89,779,291.38x = 123,874,289.78 × 54,496,227.60
  4. Step 4: Simplify right side
    89,779,291.38x = 6,750,681,489,366,753
  5. Step 5: Solve for x
    x = 6,750,681,489,366,753/89,779,291.38
  6. Step 6: Final answer
    x = 75,191,966.72

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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.