Home / 120,587,149.88-166,410,348.84-67,656,550.61

Finding the Fourth Proportional to 120,587,149.88, 166,410,348.84 and 67,656,550.61

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Solution

The fourth proportional to 120,587,149.88, 166,410,348.84 and 67,656,550.61 is: 93,366,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587,149.88 : 166,410,348.84 = 67,656,550.61 : x
  2. Step 2: Convert to fraction form
    120,587,149.88/166,410,348.84 = 67,656,550.61/x
  3. Step 3: Cross multiply
    120,587,149.88x = 166,410,348.84 × 67,656,550.61
  4. Step 4: Simplify right side
    120,587,149.88x = 11,258,750,187,150,882
  5. Step 5: Solve for x
    x = 11,258,750,187,150,882/120,587,149.88
  6. Step 6: Final answer
    x = 93,366,085.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.