Home / 172,567,248.20-258,850,872.30-156,946,819.40

Finding the Fourth Proportional to 172,567,248.20, 258,850,872.30 and 156,946,819.40

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Solution

The fourth proportional to 172,567,248.20, 258,850,872.30 and 156,946,819.40 is: 235,420,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,567,248.20 : 258,850,872.30 = 156,946,819.40 : x
  2. Step 2: Convert to fraction form
    172,567,248.20/258,850,872.30 = 156,946,819.40/x
  3. Step 3: Cross multiply
    172,567,248.20x = 258,850,872.30 × 156,946,819.40
  4. Step 4: Simplify right side
    172,567,248.20x = 40,625,821,106,400,568
  5. Step 5: Solve for x
    x = 40,625,821,106,400,568/172,567,248.20
  6. Step 6: Final answer
    x = 235,420,229.10

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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.