Home / 269,567,998.20-404,351,997.30-178,794,084.60

Finding the Fourth Proportional to 269,567,998.20, 404,351,997.30 and 178,794,084.60

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Solution

The fourth proportional to 269,567,998.20, 404,351,997.30 and 178,794,084.60 is: 268,191,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,567,998.20 : 404,351,997.30 = 178,794,084.60 : x
  2. Step 2: Convert to fraction form
    269,567,998.20/404,351,997.30 = 178,794,084.60/x
  3. Step 3: Cross multiply
    269,567,998.20x = 404,351,997.30 × 178,794,084.60
  4. Step 4: Simplify right side
    269,567,998.20x = 72,295,745,213,435,168
  5. Step 5: Solve for x
    x = 72,295,745,213,435,168/269,567,998.20
  6. Step 6: Final answer
    x = 268,191,126.90

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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.