Home / 81,082,752.52-121,639,776.75-26,480,658.90

Finding the Fourth Proportional to 81,082,752.52, 121,639,776.75 and 26,480,658.90

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Solution

The fourth proportional to 81,082,752.52, 121,639,776.75 and 26,480,658.90 is: 39,726,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,752.52 : 121,639,776.75 = 26,480,658.90 : x
  2. Step 2: Convert to fraction form
    81,082,752.52/121,639,776.75 = 26,480,658.90/x
  3. Step 3: Cross multiply
    81,082,752.52x = 121,639,776.75 × 26,480,658.90
  4. Step 4: Simplify right side
    81,082,752.52x = 3,221,101,436,788,900.50
  5. Step 5: Solve for x
    x = 3,221,101,436,788,900.50/81,082,752.52
  6. Step 6: Final answer
    x = 39,726,098.79

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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.