Home / 80,869,236.27-121,180,419.31-48,015,108.73

Finding the Fourth Proportional to 80,869,236.27, 121,180,419.31 and 48,015,108.73

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Solution

The fourth proportional to 80,869,236.27, 121,180,419.31 and 48,015,108.73 is: 71,949,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869,236.27 : 121,180,419.31 = 48,015,108.73 : x
  2. Step 2: Convert to fraction form
    80,869,236.27/121,180,419.31 = 48,015,108.73/x
  3. Step 3: Cross multiply
    80,869,236.27x = 121,180,419.31 × 48,015,108.73
  4. Step 4: Simplify right side
    80,869,236.27x = 5,818,491,009,116,641
  5. Step 5: Solve for x
    x = 5,818,491,009,116,641/80,869,236.27
  6. Step 6: Final answer
    x = 71,949,375.03

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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.