Home / 57,965,998.30-86,948,997.45-55,131,646.30

Finding the Fourth Proportional to 57,965,998.30, 86,948,997.45 and 55,131,646.30

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Solution

The fourth proportional to 57,965,998.30, 86,948,997.45 and 55,131,646.30 is: 82,697,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965,998.30 : 86,948,997.45 = 55,131,646.30 : x
  2. Step 2: Convert to fraction form
    57,965,998.30/86,948,997.45 = 55,131,646.30/x
  3. Step 3: Cross multiply
    57,965,998.30x = 86,948,997.45 × 55,131,646.30
  4. Step 4: Simplify right side
    57,965,998.30x = 4,793,641,373,553,002
  5. Step 5: Solve for x
    x = 4,793,641,373,553,002/57,965,998.30
  6. Step 6: Final answer
    x = 82,697,469.45

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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.