Home / 135,419,372.34-186,935,940.75-91,425,960.54

Finding the Fourth Proportional to 135,419,372.34, 186,935,940.75 and 91,425,960.54

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Solution

The fourth proportional to 135,419,372.34, 186,935,940.75 and 91,425,960.54 is: 126,206,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,372.34 : 186,935,940.75 = 91,425,960.54 : x
  2. Step 2: Convert to fraction form
    135,419,372.34/186,935,940.75 = 91,425,960.54/x
  3. Step 3: Cross multiply
    135,419,372.34x = 186,935,940.75 × 91,425,960.54
  4. Step 4: Simplify right side
    135,419,372.34x = 17,090,797,942,517,280
  5. Step 5: Solve for x
    x = 17,090,797,942,517,280/135,419,372.34
  6. Step 6: Final answer
    x = 126,206,447.77

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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.