Home / 138,265,892.54-207,396,169.04-41,287,309.82

Finding the Fourth Proportional to 138,265,892.54, 207,396,169.04 and 41,287,309.82

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Solution

The fourth proportional to 138,265,892.54, 207,396,169.04 and 41,287,309.82 is: 61,930,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,265,892.54 : 207,396,169.04 = 41,287,309.82 : x
  2. Step 2: Convert to fraction form
    138,265,892.54/207,396,169.04 = 41,287,309.82/x
  3. Step 3: Cross multiply
    138,265,892.54x = 207,396,169.04 × 41,287,309.82
  4. Step 4: Simplify right side
    138,265,892.54x = 8,562,829,886,635,572
  5. Step 5: Solve for x
    x = 8,562,829,886,635,572/138,265,892.54
  6. Step 6: Final answer
    x = 61,930,167.52

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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.