Home / 331,915,085.20-497,872,627.80-178,860,077.20

Finding the Fourth Proportional to 331,915,085.20, 497,872,627.80 and 178,860,077.20

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Solution

The fourth proportional to 331,915,085.20, 497,872,627.80 and 178,860,077.20 is: 268,290,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,915,085.20 : 497,872,627.80 = 178,860,077.20 : x
  2. Step 2: Convert to fraction form
    331,915,085.20/497,872,627.80 = 178,860,077.20/x
  3. Step 3: Cross multiply
    331,915,085.20x = 497,872,627.80 × 178,860,077.20
  4. Step 4: Simplify right side
    331,915,085.20x = 89,049,536,644,074,864
  5. Step 5: Solve for x
    x = 89,049,536,644,074,864/331,915,085.20
  6. Step 6: Final answer
    x = 268,290,115.80

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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.