Home / 82,377,007.20-123,565,510.80-73,129,933.80

Finding the Fourth Proportional to 82,377,007.20, 123,565,510.80 and 73,129,933.80

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Solution

The fourth proportional to 82,377,007.20, 123,565,510.80 and 73,129,933.80 is: 109,694,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,377,007.20 : 123,565,510.80 = 73,129,933.80 : x
  2. Step 2: Convert to fraction form
    82,377,007.20/123,565,510.80 = 73,129,933.80/x
  3. Step 3: Cross multiply
    82,377,007.20x = 123,565,510.80 × 73,129,933.80
  4. Step 4: Simplify right side
    82,377,007.20x = 9,036,337,624,767,184
  5. Step 5: Solve for x
    x = 9,036,337,624,767,184/82,377,007.20
  6. Step 6: Final answer
    x = 109,694,900.70

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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.