Home / 135,419,364.41-186,935,935.46-91,425,956.72

Finding the Fourth Proportional to 135,419,364.41, 186,935,935.46 and 91,425,956.72

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Solution

The fourth proportional to 135,419,364.41, 186,935,935.46 and 91,425,956.72 is: 126,206,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,364.41 : 186,935,935.46 = 91,425,956.72 : x
  2. Step 2: Convert to fraction form
    135,419,364.41/186,935,935.46 = 91,425,956.72/x
  3. Step 3: Cross multiply
    135,419,364.41x = 186,935,935.46 × 91,425,956.72
  4. Step 4: Simplify right side
    135,419,364.41x = 17,090,796,743,386,866
  5. Step 5: Solve for x
    x = 17,090,796,743,386,866/135,419,364.41
  6. Step 6: Final answer
    x = 126,206,446.31

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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.