Home / 80,679,481.02-121,043,874.33-48,367,355.58

Finding the Fourth Proportional to 80,679,481.02, 121,043,874.33 and 48,367,355.58

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Solution

The fourth proportional to 80,679,481.02, 121,043,874.33 and 48,367,355.58 is: 72,565,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,679,481.02 : 121,043,874.33 = 48,367,355.58 : x
  2. Step 2: Convert to fraction form
    80,679,481.02/121,043,874.33 = 48,367,355.58/x
  3. Step 3: Cross multiply
    80,679,481.02x = 121,043,874.33 × 48,367,355.58
  4. Step 4: Simplify right side
    80,679,481.02x = 5,854,572,110,499,944
  5. Step 5: Solve for x
    x = 5,854,572,110,499,944/80,679,481.02
  6. Step 6: Final answer
    x = 72,565,812.73

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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.