Home / 168,216,144.32-252,350,895.15-71,172,573.75

Finding the Fourth Proportional to 168,216,144.32, 252,350,895.15 and 71,172,573.75

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Solution

The fourth proportional to 168,216,144.32, 252,350,895.15 and 71,172,573.75 is: 106,770,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,216,144.32 : 252,350,895.15 = 71,172,573.75 : x
  2. Step 2: Convert to fraction form
    168,216,144.32/252,350,895.15 = 71,172,573.75/x
  3. Step 3: Cross multiply
    168,216,144.32x = 252,350,895.15 × 71,172,573.75
  4. Step 4: Simplify right side
    168,216,144.32x = 17,960,462,695,941,892
  5. Step 5: Solve for x
    x = 17,960,462,695,941,892/168,216,144.32
  6. Step 6: Final answer
    x = 106,770,148.42

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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.