Home / 168,146,593-252,292,704.29-90,332,706.53

Finding the Fourth Proportional to 168,146,593, 252,292,704.29 and 90,332,706.53

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Solution

The fourth proportional to 168,146,593, 252,292,704.29 and 90,332,706.53 is: 135,538,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,593 : 252,292,704.29 = 90,332,706.53 : x
  2. Step 2: Convert to fraction form
    168,146,593/252,292,704.29 = 90,332,706.53/x
  3. Step 3: Cross multiply
    168,146,593x = 252,292,704.29 × 90,332,706.53
  4. Step 4: Simplify right side
    168,146,593x = 22,790,282,816,288,640
  5. Step 5: Solve for x
    x = 22,790,282,816,288,640/168,146,593
  6. Step 6: Final answer
    x = 135,538,177.79

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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.