Home / 230,264,734.46-345,298,785.11-133,287,380.78

Finding the Fourth Proportional to 230,264,734.46, 345,298,785.11 and 133,287,380.78

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Solution

The fourth proportional to 230,264,734.46, 345,298,785.11 and 133,287,380.78 is: 199,874,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,264,734.46 : 345,298,785.11 = 133,287,380.78 : x
  2. Step 2: Convert to fraction form
    230,264,734.46/345,298,785.11 = 133,287,380.78/x
  3. Step 3: Cross multiply
    230,264,734.46x = 345,298,785.11 × 133,287,380.78
  4. Step 4: Simplify right side
    230,264,734.46x = 46,023,970,653,161,528
  5. Step 5: Solve for x
    x = 46,023,970,653,161,528/230,264,734.46
  6. Step 6: Final answer
    x = 199,874,161.20

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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.