Home / 221,452,375.80-332,178,563.70-208,697,791.80

Finding the Fourth Proportional to 221,452,375.80, 332,178,563.70 and 208,697,791.80

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Solution

The fourth proportional to 221,452,375.80, 332,178,563.70 and 208,697,791.80 is: 313,046,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452,375.80 : 332,178,563.70 = 208,697,791.80 : x
  2. Step 2: Convert to fraction form
    221,452,375.80/332,178,563.70 = 208,697,791.80/x
  3. Step 3: Cross multiply
    221,452,375.80x = 332,178,563.70 × 208,697,791.80
  4. Step 4: Simplify right side
    221,452,375.80x = 69,324,932,727,485,640
  5. Step 5: Solve for x
    x = 69,324,932,727,485,640/221,452,375.80
  6. Step 6: Final answer
    x = 313,046,687.70

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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.