Home / 138,294,339.80-207,452,007.30-41,242,472.60

Finding the Fourth Proportional to 138,294,339.80, 207,452,007.30 and 41,242,472.60

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Solution

The fourth proportional to 138,294,339.80, 207,452,007.30 and 41,242,472.60 is: 61,866,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,294,339.80 : 207,452,007.30 = 41,242,472.60 : x
  2. Step 2: Convert to fraction form
    138,294,339.80/207,452,007.30 = 41,242,472.60/x
  3. Step 3: Cross multiply
    138,294,339.80x = 207,452,007.30 × 41,242,472.60
  4. Step 4: Simplify right side
    138,294,339.80x = 8,555,833,726,885,251
  5. Step 5: Solve for x
    x = 8,555,833,726,885,251/138,294,339.80
  6. Step 6: Final answer
    x = 61,866,839.52

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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.