Home / 48,388,821.60-72,499,251.60-45,365,512.80

Finding the Fourth Proportional to 48,388,821.60, 72,499,251.60 and 45,365,512.80

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Solution

The fourth proportional to 48,388,821.60, 72,499,251.60 and 45,365,512.80 is: 67,969,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,821.60 : 72,499,251.60 = 45,365,512.80 : x
  2. Step 2: Convert to fraction form
    48,388,821.60/72,499,251.60 = 45,365,512.80/x
  3. Step 3: Cross multiply
    48,388,821.60x = 72,499,251.60 × 45,365,512.80
  4. Step 4: Simplify right side
    48,388,821.60x = 3,288,965,726,450,220
  5. Step 5: Solve for x
    x = 3,288,965,726,450,220/48,388,821.60
  6. Step 6: Final answer
    x = 67,969,535.48

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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.