Home / 135,419,561.60-186,936,198.56-91,426,148.16

Finding the Fourth Proportional to 135,419,561.60, 186,936,198.56 and 91,426,148.16

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Solution

The fourth proportional to 135,419,561.60, 186,936,198.56 and 91,426,148.16 is: 126,206,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,561.60 : 186,936,198.56 = 91,426,148.16 : x
  2. Step 2: Convert to fraction form
    135,419,561.60/186,936,198.56 = 91,426,148.16/x
  3. Step 3: Cross multiply
    135,419,561.60x = 186,936,198.56 × 91,426,148.16
  4. Step 4: Simplify right side
    135,419,561.60x = 17,090,856,586,013,738
  5. Step 5: Solve for x
    x = 17,090,856,586,013,738/135,419,561.60
  6. Step 6: Final answer
    x = 126,206,704.44

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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.