Home / 136,040,908.39-204,192,894.33-128,667,164.51

Finding the Fourth Proportional to 136,040,908.39, 204,192,894.33 and 128,667,164.51

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Solution

The fourth proportional to 136,040,908.39, 204,192,894.33 and 128,667,164.51 is: 193,125,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,040,908.39 : 204,192,894.33 = 128,667,164.51 : x
  2. Step 2: Convert to fraction form
    136,040,908.39/204,192,894.33 = 128,667,164.51/x
  3. Step 3: Cross multiply
    136,040,908.39x = 204,192,894.33 × 128,667,164.51
  4. Step 4: Simplify right side
    136,040,908.39x = 26,272,920,727,041,640
  5. Step 5: Solve for x
    x = 26,272,920,727,041,640/136,040,908.39
  6. Step 6: Final answer
    x = 193,125,149.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.