Home / 179,018,456.92-268,527,753.12-80,535,126.88

Finding the Fourth Proportional to 179,018,456.92, 268,527,753.12 and 80,535,126.88

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Solution

The fourth proportional to 179,018,456.92, 268,527,753.12 and 80,535,126.88 is: 120,802,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,018,456.92 : 268,527,753.12 = 80,535,126.88 : x
  2. Step 2: Convert to fraction form
    179,018,456.92/268,527,753.12 = 80,535,126.88/x
  3. Step 3: Cross multiply
    179,018,456.92x = 268,527,753.12 × 80,535,126.88
  4. Step 4: Simplify right side
    179,018,456.92x = 21,625,916,668,320,516
  5. Step 5: Solve for x
    x = 21,625,916,668,320,516/179,018,456.92
  6. Step 6: Final answer
    x = 120,802,720.79

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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.