Home / 203,690,588.46-305,532,891.09-50,336,640.78

Finding the Fourth Proportional to 203,690,588.46, 305,532,891.09 and 50,336,640.78

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Solution

The fourth proportional to 203,690,588.46, 305,532,891.09 and 50,336,640.78 is: 75,504,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,690,588.46 : 305,532,891.09 = 50,336,640.78 : x
  2. Step 2: Convert to fraction form
    203,690,588.46/305,532,891.09 = 50,336,640.78/x
  3. Step 3: Cross multiply
    203,690,588.46x = 305,532,891.09 × 50,336,640.78
  4. Step 4: Simplify right side
    203,690,588.46x = 15,379,499,385,272,192
  5. Step 5: Solve for x
    x = 15,379,499,385,272,192/203,690,588.46
  6. Step 6: Final answer
    x = 75,504,221.88

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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.