Home / 135,419,348.46-186,935,907.79-91,425,936.66

Finding the Fourth Proportional to 135,419,348.46, 186,935,907.79 and 91,425,936.66

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Solution

The fourth proportional to 135,419,348.46, 186,935,907.79 and 91,425,936.66 is: 126,206,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,348.46 : 186,935,907.79 = 91,425,936.66 : x
  2. Step 2: Convert to fraction form
    135,419,348.46/186,935,907.79 = 91,425,936.66/x
  3. Step 3: Cross multiply
    135,419,348.46x = 186,935,907.79 × 91,425,936.66
  4. Step 4: Simplify right side
    135,419,348.46x = 17,090,790,465,088,140
  5. Step 5: Solve for x
    x = 17,090,790,465,088,140/135,419,348.46
  6. Step 6: Final answer
    x = 126,206,414.81

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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.