Home / 140,505,060.56-193,899,279.11-76,924,338.88

Finding the Fourth Proportional to 140,505,060.56, 193,899,279.11 and 76,924,338.88

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Solution

The fourth proportional to 140,505,060.56, 193,899,279.11 and 76,924,338.88 is: 106,156,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,505,060.56 : 193,899,279.11 = 76,924,338.88 : x
  2. Step 2: Convert to fraction form
    140,505,060.56/193,899,279.11 = 76,924,338.88/x
  3. Step 3: Cross multiply
    140,505,060.56x = 193,899,279.11 × 76,924,338.88
  4. Step 4: Simplify right side
    140,505,060.56x = 14,915,573,854,845,344
  5. Step 5: Solve for x
    x = 14,915,573,854,845,344/140,505,060.56
  6. Step 6: Final answer
    x = 106,156,844.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.