Home / 82,022,496.30-123,033,744.45-80,747,037.90

Finding the Fourth Proportional to 82,022,496.30, 123,033,744.45 and 80,747,037.90

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Solution

The fourth proportional to 82,022,496.30, 123,033,744.45 and 80,747,037.90 is: 121,120,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,022,496.30 : 123,033,744.45 = 80,747,037.90 : x
  2. Step 2: Convert to fraction form
    82,022,496.30/123,033,744.45 = 80,747,037.90/x
  3. Step 3: Cross multiply
    82,022,496.30x = 123,033,744.45 × 80,747,037.90
  4. Step 4: Simplify right side
    82,022,496.30x = 9,934,610,426,083,066
  5. Step 5: Solve for x
    x = 9,934,610,426,083,066/82,022,496.30
  6. Step 6: Final answer
    x = 121,120,556.85

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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.