Home / 168,341,344.20-252,512,016.30-158,987,982.60

Finding the Fourth Proportional to 168,341,344.20, 252,512,016.30 and 158,987,982.60

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Solution

The fourth proportional to 168,341,344.20, 252,512,016.30 and 158,987,982.60 is: 238,481,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,341,344.20 : 252,512,016.30 = 158,987,982.60 : x
  2. Step 2: Convert to fraction form
    168,341,344.20/252,512,016.30 = 158,987,982.60/x
  3. Step 3: Cross multiply
    168,341,344.20x = 252,512,016.30 × 158,987,982.60
  4. Step 4: Simplify right side
    168,341,344.20x = 40,146,376,053,795,320
  5. Step 5: Solve for x
    x = 40,146,376,053,795,320/168,341,344.20
  6. Step 6: Final answer
    x = 238,481,973.90

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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.