Home / 80,821,156.60-121,231,734.90-35,471,524.60

Finding the Fourth Proportional to 80,821,156.60, 121,231,734.90 and 35,471,524.60

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Solution

The fourth proportional to 80,821,156.60, 121,231,734.90 and 35,471,524.60 is: 53,207,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,821,156.60 : 121,231,734.90 = 35,471,524.60 : x
  2. Step 2: Convert to fraction form
    80,821,156.60/121,231,734.90 = 35,471,524.60/x
  3. Step 3: Cross multiply
    80,821,156.60x = 121,231,734.90 × 35,471,524.60
  4. Step 4: Simplify right side
    80,821,156.60x = 4,300,274,466,806,029
  5. Step 5: Solve for x
    x = 4,300,274,466,806,029/80,821,156.60
  6. Step 6: Final answer
    x = 53,207,286.90

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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.