Home / 57,469,565.40-86,204,348.10-30,165,307.80

Finding the Fourth Proportional to 57,469,565.40, 86,204,348.10 and 30,165,307.80

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Solution

The fourth proportional to 57,469,565.40, 86,204,348.10 and 30,165,307.80 is: 45,247,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,469,565.40 : 86,204,348.10 = 30,165,307.80 : x
  2. Step 2: Convert to fraction form
    57,469,565.40/86,204,348.10 = 30,165,307.80/x
  3. Step 3: Cross multiply
    57,469,565.40x = 86,204,348.10 × 30,165,307.80
  4. Step 4: Simplify right side
    57,469,565.40x = 2,600,380,694,134,845
  5. Step 5: Solve for x
    x = 2,600,380,694,134,845/57,469,565.40
  6. Step 6: Final answer
    x = 45,247,961.70

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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.