Home / 135,419,344.95-186,935,902.95-91,425,933.16

Finding the Fourth Proportional to 135,419,344.95, 186,935,902.95 and 91,425,933.16

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Solution

The fourth proportional to 135,419,344.95, 186,935,902.95 and 91,425,933.16 is: 126,206,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,344.95 : 186,935,902.95 = 91,425,933.16 : x
  2. Step 2: Convert to fraction form
    135,419,344.95/186,935,902.95 = 91,425,933.16/x
  3. Step 3: Cross multiply
    135,419,344.95x = 186,935,902.95 × 91,425,933.16
  4. Step 4: Simplify right side
    135,419,344.95x = 17,090,789,368,186,456
  5. Step 5: Solve for x
    x = 17,090,789,368,186,456/135,419,344.95
  6. Step 6: Final answer
    x = 126,206,409.98

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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.