Home / 199,546,418.10-299,319,627.15-131,465,982.90

Finding the Fourth Proportional to 199,546,418.10, 299,319,627.15 and 131,465,982.90

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Solution

The fourth proportional to 199,546,418.10, 299,319,627.15 and 131,465,982.90 is: 197,198,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,546,418.10 : 299,319,627.15 = 131,465,982.90 : x
  2. Step 2: Convert to fraction form
    199,546,418.10/299,319,627.15 = 131,465,982.90/x
  3. Step 3: Cross multiply
    199,546,418.10x = 299,319,627.15 × 131,465,982.90
  4. Step 4: Simplify right side
    199,546,418.10x = 39,350,348,984,536,272
  5. Step 5: Solve for x
    x = 39,350,348,984,536,272/199,546,418.10
  6. Step 6: Final answer
    x = 197,198,974.35

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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.