Home / 168,785,847.66-253,177,349.22-131,928,739.59

Finding the Fourth Proportional to 168,785,847.66, 253,177,349.22 and 131,928,739.59

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Solution

The fourth proportional to 168,785,847.66, 253,177,349.22 and 131,928,739.59 is: 197,891,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785,847.66 : 253,177,349.22 = 131,928,739.59 : x
  2. Step 2: Convert to fraction form
    168,785,847.66/253,177,349.22 = 131,928,739.59/x
  3. Step 3: Cross multiply
    168,785,847.66x = 253,177,349.22 × 131,928,739.59
  4. Step 4: Simplify right side
    168,785,847.66x = 33,401,368,575,331,872
  5. Step 5: Solve for x
    x = 33,401,368,575,331,872/168,785,847.66
  6. Step 6: Final answer
    x = 197,891,997.69

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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.