Home / 54,917,384.43-82,373,414.42-20,380,519.18

Finding the Fourth Proportional to 54,917,384.43, 82,373,414.42 and 20,380,519.18

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Solution

The fourth proportional to 54,917,384.43, 82,373,414.42 and 20,380,519.18 is: 30,569,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917,384.43 : 82,373,414.42 = 20,380,519.18 : x
  2. Step 2: Convert to fraction form
    54,917,384.43/82,373,414.42 = 20,380,519.18/x
  3. Step 3: Cross multiply
    54,917,384.43x = 82,373,414.42 × 20,380,519.18
  4. Step 4: Simplify right side
    54,917,384.43x = 1,678,812,952,353,916.25
  5. Step 5: Solve for x
    x = 1,678,812,952,353,916.25/54,917,384.43
  6. Step 6: Final answer
    x = 30,569,790.78

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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.