Home / 321,542,399-482,342,371.20-124,801,200.32

Finding the Fourth Proportional to 321,542,399, 482,342,371.20 and 124,801,200.32

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Solution

The fourth proportional to 321,542,399, 482,342,371.20 and 124,801,200.32 is: 187,212,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,542,399 : 482,342,371.20 = 124,801,200.32 : x
  2. Step 2: Convert to fraction form
    321,542,399/482,342,371.20 = 124,801,200.32/x
  3. Step 3: Cross multiply
    321,542,399x = 482,342,371.20 × 124,801,200.32
  4. Step 4: Simplify right side
    321,542,399x = 60,196,906,890,954,992
  5. Step 5: Solve for x
    x = 60,196,906,890,954,992/321,542,399
  6. Step 6: Final answer
    x = 187,212,968.11

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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.