Home / 80,723,750.85-121,123,418.18-35,279,640.45

Finding the Fourth Proportional to 80,723,750.85, 121,123,418.18 and 35,279,640.45

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Solution

The fourth proportional to 80,723,750.85, 121,123,418.18 and 35,279,640.45 is: 52,935,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723,750.85 : 121,123,418.18 = 35,279,640.45 : x
  2. Step 2: Convert to fraction form
    80,723,750.85/121,123,418.18 = 35,279,640.45/x
  3. Step 3: Cross multiply
    80,723,750.85x = 121,123,418.18 × 35,279,640.45
  4. Step 4: Simplify right side
    80,723,750.85x = 4,273,190,643,288,995.50
  5. Step 5: Solve for x
    x = 4,273,190,643,288,995.50/80,723,750.85
  6. Step 6: Final answer
    x = 52,935,977.31

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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.