Home / 80,852,906.70-121,279,360.05-44,447,229.90

Finding the Fourth Proportional to 80,852,906.70, 121,279,360.05 and 44,447,229.90

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Solution

The fourth proportional to 80,852,906.70, 121,279,360.05 and 44,447,229.90 is: 66,670,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,906.70 : 121,279,360.05 = 44,447,229.90 : x
  2. Step 2: Convert to fraction form
    80,852,906.70/121,279,360.05 = 44,447,229.90/x
  3. Step 3: Cross multiply
    80,852,906.70x = 121,279,360.05 × 44,447,229.90
  4. Step 4: Simplify right side
    80,852,906.70x = 5,390,531,598,267,225
  5. Step 5: Solve for x
    x = 5,390,531,598,267,225/80,852,906.70
  6. Step 6: Final answer
    x = 66,670,844.85

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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.