Home / 135,149,063.68-186,659,672.34-91,613,416.96

Finding the Fourth Proportional to 135,149,063.68, 186,659,672.34 and 91,613,416.96

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Solution

The fourth proportional to 135,149,063.68, 186,659,672.34 and 91,613,416.96 is: 126,530,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,149,063.68 : 186,659,672.34 = 91,613,416.96 : x
  2. Step 2: Convert to fraction form
    135,149,063.68/186,659,672.34 = 91,613,416.96/x
  3. Step 3: Cross multiply
    135,149,063.68x = 186,659,672.34 × 91,613,416.96
  4. Step 4: Simplify right side
    135,149,063.68x = 17,100,530,391,701,398
  5. Step 5: Solve for x
    x = 17,100,530,391,701,398/135,149,063.68
  6. Step 6: Final answer
    x = 126,530,883.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.