Home / 82,478,714.88-123,723,463.68-21,892,823.04

Finding the Fourth Proportional to 82,478,714.88, 123,723,463.68 and 21,892,823.04

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Solution

The fourth proportional to 82,478,714.88, 123,723,463.68 and 21,892,823.04 is: 32,840,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,478,714.88 : 123,723,463.68 = 21,892,823.04 : x
  2. Step 2: Convert to fraction form
    82,478,714.88/123,723,463.68 = 21,892,823.04/x
  3. Step 3: Cross multiply
    82,478,714.88x = 123,723,463.68 × 21,892,823.04
  4. Step 4: Simplify right side
    82,478,714.88x = 2,708,655,896,242,107
  5. Step 5: Solve for x
    x = 2,708,655,896,242,107/82,478,714.88
  6. Step 6: Final answer
    x = 32,840,665.62

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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.