Home / 188,451,699.20-260,061,780.48-105,945,850.88

Finding the Fourth Proportional to 188,451,699.20, 260,061,780.48 and 105,945,850.88

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Solution

The fourth proportional to 188,451,699.20, 260,061,780.48 and 105,945,850.88 is: 146,204,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,451,699.20 : 260,061,780.48 = 105,945,850.88 : x
  2. Step 2: Convert to fraction form
    188,451,699.20/260,061,780.48 = 105,945,850.88/x
  3. Step 3: Cross multiply
    188,451,699.20x = 260,061,780.48 × 105,945,850.88
  4. Step 4: Simplify right side
    188,451,699.20x = 27,552,466,614,321,372
  5. Step 5: Solve for x
    x = 27,552,466,614,321,372/188,451,699.20
  6. Step 6: Final answer
    x = 146,204,394.71

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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.