Home / 57,174,836.20-85,753,959.90-16,781,108.20

Finding the Fourth Proportional to 57,174,836.20, 85,753,959.90 and 16,781,108.20

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Solution

The fourth proportional to 57,174,836.20, 85,753,959.90 and 16,781,108.20 is: 25,169,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174,836.20 : 85,753,959.90 = 16,781,108.20 : x
  2. Step 2: Convert to fraction form
    57,174,836.20/85,753,959.90 = 16,781,108.20/x
  3. Step 3: Cross multiply
    57,174,836.20x = 85,753,959.90 × 16,781,108.20
  4. Step 4: Simplify right side
    57,174,836.20x = 1,439,046,479,660,361.25
  5. Step 5: Solve for x
    x = 1,439,046,479,660,361.25/57,174,836.20
  6. Step 6: Final answer
    x = 25,169,227.85

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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.