Home / 227,098,258.78-340,647,388.17-71,667,819.77

Finding the Fourth Proportional to 227,098,258.78, 340,647,388.17 and 71,667,819.77

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Solution

The fourth proportional to 227,098,258.78, 340,647,388.17 and 71,667,819.77 is: 107,501,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,098,258.78 : 340,647,388.17 = 71,667,819.77 : x
  2. Step 2: Convert to fraction form
    227,098,258.78/340,647,388.17 = 71,667,819.77/x
  3. Step 3: Cross multiply
    227,098,258.78x = 340,647,388.17 × 71,667,819.77
  4. Step 4: Simplify right side
    227,098,258.78x = 24,413,455,620,488,788
  5. Step 5: Solve for x
    x = 24,413,455,620,488,788/227,098,258.78
  6. Step 6: Final answer
    x = 107,501,729.66

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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.