Home / 204,770,010.80-307,155,016.20-199,101,306.80

Finding the Fourth Proportional to 204,770,010.80, 307,155,016.20 and 199,101,306.80

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Solution

The fourth proportional to 204,770,010.80, 307,155,016.20 and 199,101,306.80 is: 298,651,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,770,010.80 : 307,155,016.20 = 199,101,306.80 : x
  2. Step 2: Convert to fraction form
    204,770,010.80/307,155,016.20 = 199,101,306.80/x
  3. Step 3: Cross multiply
    204,770,010.80x = 307,155,016.20 × 199,101,306.80
  4. Step 4: Simplify right side
    204,770,010.80x = 61,154,965,115,595,168
  5. Step 5: Solve for x
    x = 61,154,965,115,595,168/204,770,010.80
  6. Step 6: Final answer
    x = 298,651,960.20

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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.