Home / 168,507,451.35-252,761,177.03-103,600,790.55

Finding the Fourth Proportional to 168,507,451.35, 252,761,177.03 and 103,600,790.55

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Solution

The fourth proportional to 168,507,451.35, 252,761,177.03 and 103,600,790.55 is: 155,401,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,507,451.35 : 252,761,177.03 = 103,600,790.55 : x
  2. Step 2: Convert to fraction form
    168,507,451.35/252,761,177.03 = 103,600,790.55/x
  3. Step 3: Cross multiply
    168,507,451.35x = 252,761,177.03 × 103,600,790.55
  4. Step 4: Simplify right side
    168,507,451.35x = 26,186,257,760,138,496
  5. Step 5: Solve for x
    x = 26,186,257,760,138,496/168,507,451.35
  6. Step 6: Final answer
    x = 155,401,185.83

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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.