Home / 230,321,678.38-345,482,517.53-76,967,734.82

Finding the Fourth Proportional to 230,321,678.38, 345,482,517.53 and 76,967,734.82

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Solution

The fourth proportional to 230,321,678.38, 345,482,517.53 and 76,967,734.82 is: 115,451,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,321,678.38 : 345,482,517.53 = 76,967,734.82 : x
  2. Step 2: Convert to fraction form
    230,321,678.38/345,482,517.53 = 76,967,734.82/x
  3. Step 3: Cross multiply
    230,321,678.38x = 345,482,517.53 × 76,967,734.82
  4. Step 4: Simplify right side
    230,321,678.38x = 26,591,006,792,660,048
  5. Step 5: Solve for x
    x = 26,591,006,792,660,048/230,321,678.38
  6. Step 6: Final answer
    x = 115,451,602.21

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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.