Home / 57,485,874.30-86,228,811.45-54,084,651.90

Finding the Fourth Proportional to 57,485,874.30, 86,228,811.45 and 54,084,651.90

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Solution

The fourth proportional to 57,485,874.30, 86,228,811.45 and 54,084,651.90 is: 81,126,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,485,874.30 : 86,228,811.45 = 54,084,651.90 : x
  2. Step 2: Convert to fraction form
    57,485,874.30/86,228,811.45 = 54,084,651.90/x
  3. Step 3: Cross multiply
    57,485,874.30x = 86,228,811.45 × 54,084,651.90
  4. Step 4: Simplify right side
    57,485,874.30x = 4,663,655,251,023,984
  5. Step 5: Solve for x
    x = 4,663,655,251,023,984/57,485,874.30
  6. Step 6: Final answer
    x = 81,126,977.85

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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.