Home / 135,148,920.75-186,659,475.44-91,613,274.03

Finding the Fourth Proportional to 135,148,920.75, 186,659,475.44 and 91,613,274.03

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Solution

The fourth proportional to 135,148,920.75, 186,659,475.44 and 91,613,274.03 is: 126,530,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,148,920.75 : 186,659,475.44 = 91,613,274.03 : x
  2. Step 2: Convert to fraction form
    135,148,920.75/186,659,475.44 = 91,613,274.03/x
  3. Step 3: Cross multiply
    135,148,920.75x = 186,659,475.44 × 91,613,274.03
  4. Step 4: Simplify right side
    135,148,920.75x = 17,100,485,673,322,708
  5. Step 5: Solve for x
    x = 17,100,485,673,322,708/135,148,920.75
  6. Step 6: Final answer
    x = 126,530,686.14

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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.