Home / 168,243,077.70-252,364,616.55-72,504,965.70

Finding the Fourth Proportional to 168,243,077.70, 252,364,616.55 and 72,504,965.70

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Solution

The fourth proportional to 168,243,077.70, 252,364,616.55 and 72,504,965.70 is: 108,757,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,243,077.70 : 252,364,616.55 = 72,504,965.70 : x
  2. Step 2: Convert to fraction form
    168,243,077.70/252,364,616.55 = 72,504,965.70/x
  3. Step 3: Cross multiply
    168,243,077.70x = 252,364,616.55 × 72,504,965.70
  4. Step 4: Simplify right side
    168,243,077.70x = 18,297,687,866,851,404
  5. Step 5: Solve for x
    x = 18,297,687,866,851,404/168,243,077.70
  6. Step 6: Final answer
    x = 108,757,448.55

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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.