Home / 48,386,811.80-72,580,217.70-45,174,546.20

Finding the Fourth Proportional to 48,386,811.80, 72,580,217.70 and 45,174,546.20

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Solution

The fourth proportional to 48,386,811.80, 72,580,217.70 and 45,174,546.20 is: 67,761,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,811.80 : 72,580,217.70 = 45,174,546.20 : x
  2. Step 2: Convert to fraction form
    48,386,811.80/72,580,217.70 = 45,174,546.20/x
  3. Step 3: Cross multiply
    48,386,811.80x = 72,580,217.70 × 45,174,546.20
  4. Step 4: Simplify right side
    48,386,811.80x = 3,278,778,397,694,708
  5. Step 5: Solve for x
    x = 3,278,778,397,694,708/48,386,811.80
  6. Step 6: Final answer
    x = 67,761,819.30

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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.