Home / 48,121,212.80-72,181,819.20-28,989,336.80

Finding the Fourth Proportional to 48,121,212.80, 72,181,819.20 and 28,989,336.80

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Solution

The fourth proportional to 48,121,212.80, 72,181,819.20 and 28,989,336.80 is: 43,484,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121,212.80 : 72,181,819.20 = 28,989,336.80 : x
  2. Step 2: Convert to fraction form
    48,121,212.80/72,181,819.20 = 28,989,336.80/x
  3. Step 3: Cross multiply
    48,121,212.80x = 72,181,819.20 × 28,989,336.80
  4. Step 4: Simplify right side
    48,121,212.80x = 2,092,503,067,625,506.75
  5. Step 5: Solve for x
    x = 2,092,503,067,625,506.75/48,121,212.80
  6. Step 6: Final answer
    x = 43,484,005.20

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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.