Home / 159,557,781.40-239,336,672.10-132,348,002.20

Finding the Fourth Proportional to 159,557,781.40, 239,336,672.10 and 132,348,002.20

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Solution

The fourth proportional to 159,557,781.40, 239,336,672.10 and 132,348,002.20 is: 198,522,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,557,781.40 : 239,336,672.10 = 132,348,002.20 : x
  2. Step 2: Convert to fraction form
    159,557,781.40/239,336,672.10 = 132,348,002.20/x
  3. Step 3: Cross multiply
    159,557,781.40x = 239,336,672.10 × 132,348,002.20
  4. Step 4: Simplify right side
    159,557,781.40x = 31,675,730,405,631,480
  5. Step 5: Solve for x
    x = 31,675,730,405,631,480/159,557,781.40
  6. Step 6: Final answer
    x = 198,522,003.30

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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.