Home / 82,057,538.80-123,086,308.20-74,121,353.20

Finding the Fourth Proportional to 82,057,538.80, 123,086,308.20 and 74,121,353.20

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Solution

The fourth proportional to 82,057,538.80, 123,086,308.20 and 74,121,353.20 is: 111,182,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057,538.80 : 123,086,308.20 = 74,121,353.20 : x
  2. Step 2: Convert to fraction form
    82,057,538.80/123,086,308.20 = 74,121,353.20/x
  3. Step 3: Cross multiply
    82,057,538.80x = 123,086,308.20 × 74,121,353.20
  4. Step 4: Simplify right side
    82,057,538.80x = 9,123,323,724,176,256
  5. Step 5: Solve for x
    x = 9,123,323,724,176,256/82,057,538.80
  6. Step 6: Final answer
    x = 111,182,029.80

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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.