Home / 168,505,932.20-252,380,984.70-138,272,844.20

Finding the Fourth Proportional to 168,505,932.20, 252,380,984.70 and 138,272,844.20

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Solution

The fourth proportional to 168,505,932.20, 252,380,984.70 and 138,272,844.20 is: 207,099,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,505,932.20 : 252,380,984.70 = 138,272,844.20 : x
  2. Step 2: Convert to fraction form
    168,505,932.20/252,380,984.70 = 138,272,844.20/x
  3. Step 3: Cross multiply
    168,505,932.20x = 252,380,984.70 × 138,272,844.20
  4. Step 4: Simplify right side
    168,505,932.20x = 34,897,436,576,465,680
  5. Step 5: Solve for x
    x = 34,897,436,576,465,680/168,505,932.20
  6. Step 6: Final answer
    x = 207,099,157.41

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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.