Home / 135,419,347.64-186,935,906.66-91,425,935.85

Finding the Fourth Proportional to 135,419,347.64, 186,935,906.66 and 91,425,935.85

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Solution

The fourth proportional to 135,419,347.64, 186,935,906.66 and 91,425,935.85 is: 126,206,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,347.64 : 186,935,906.66 = 91,425,935.85 : x
  2. Step 2: Convert to fraction form
    135,419,347.64/186,935,906.66 = 91,425,935.85/x
  3. Step 3: Cross multiply
    135,419,347.64x = 186,935,906.66 × 91,425,935.85
  4. Step 4: Simplify right side
    135,419,347.64x = 17,090,790,210,358,746
  5. Step 5: Solve for x
    x = 17,090,790,210,358,746/135,419,347.64
  6. Step 6: Final answer
    x = 126,206,413.69

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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.