Home / 319,400,822.20-479,101,233.30-137,648,000.20

Finding the Fourth Proportional to 319,400,822.20, 479,101,233.30 and 137,648,000.20

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Solution

The fourth proportional to 319,400,822.20, 479,101,233.30 and 137,648,000.20 is: 206,472,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,400,822.20 : 479,101,233.30 = 137,648,000.20 : x
  2. Step 2: Convert to fraction form
    319,400,822.20/479,101,233.30 = 137,648,000.20/x
  3. Step 3: Cross multiply
    319,400,822.20x = 479,101,233.30 × 137,648,000.20
  4. Step 4: Simplify right side
    319,400,822.20x = 65,947,326,657,098,640
  5. Step 5: Solve for x
    x = 65,947,326,657,098,640/319,400,822.20
  6. Step 6: Final answer
    x = 206,472,000.30

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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.