Home / 135,991,012.80-203,986,519.20-114,945,949.20

Finding the Fourth Proportional to 135,991,012.80, 203,986,519.20 and 114,945,949.20

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Solution

The fourth proportional to 135,991,012.80, 203,986,519.20 and 114,945,949.20 is: 172,418,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,991,012.80 : 203,986,519.20 = 114,945,949.20 : x
  2. Step 2: Convert to fraction form
    135,991,012.80/203,986,519.20 = 114,945,949.20/x
  3. Step 3: Cross multiply
    135,991,012.80x = 203,986,519.20 × 114,945,949.20
  4. Step 4: Simplify right side
    135,991,012.80x = 23,447,424,073,448,024
  5. Step 5: Solve for x
    x = 23,447,424,073,448,024/135,991,012.80
  6. Step 6: Final answer
    x = 172,418,923.80

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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.