Home / 83,100,667.28-125,218,223.72-68,286,454.16

Finding the Fourth Proportional to 83,100,667.28, 125,218,223.72 and 68,286,454.16

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Solution

The fourth proportional to 83,100,667.28, 125,218,223.72 and 68,286,454.16 is: 102,895,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100,667.28 : 125,218,223.72 = 68,286,454.16 : x
  2. Step 2: Convert to fraction form
    83,100,667.28/125,218,223.72 = 68,286,454.16/x
  3. Step 3: Cross multiply
    83,100,667.28x = 125,218,223.72 × 68,286,454.16
  4. Step 4: Simplify right side
    83,100,667.28x = 8,550,708,494,052,404
  5. Step 5: Solve for x
    x = 8,550,708,494,052,404/83,100,667.28
  6. Step 6: Final answer
    x = 102,895,786.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.