Home / 87,645,496.40-131,295,034.20-76,874,958.80

Finding the Fourth Proportional to 87,645,496.40, 131,295,034.20 and 76,874,958.80

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Solution

The fourth proportional to 87,645,496.40, 131,295,034.20 and 76,874,958.80 is: 115,160,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,645,496.40 : 131,295,034.20 = 76,874,958.80 : x
  2. Step 2: Convert to fraction form
    87,645,496.40/131,295,034.20 = 76,874,958.80/x
  3. Step 3: Cross multiply
    87,645,496.40x = 131,295,034.20 × 76,874,958.80
  4. Step 4: Simplify right side
    87,645,496.40x = 10,093,300,344,769,590
  5. Step 5: Solve for x
    x = 10,093,300,344,769,590/87,645,496.40
  6. Step 6: Final answer
    x = 115,160,513.20

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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.