Home / 76,227,691.28-105,194,879.49-41,420,380.88

Finding the Fourth Proportional to 76,227,691.28, 105,194,879.49 and 41,420,380.88

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Solution

The fourth proportional to 76,227,691.28, 105,194,879.49 and 41,420,380.88 is: 57,160,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227,691.28 : 105,194,879.49 = 41,420,380.88 : x
  2. Step 2: Convert to fraction form
    76,227,691.28/105,194,879.49 = 41,420,380.88/x
  3. Step 3: Cross multiply
    76,227,691.28x = 105,194,879.49 × 41,420,380.88
  4. Step 4: Simplify right side
    76,227,691.28x = 4,357,211,975,101,500
  5. Step 5: Solve for x
    x = 4,357,211,975,101,500/76,227,691.28
  6. Step 6: Final answer
    x = 57,160,487.24

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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.