Home / 87,120,220.80-130,680,331.20-41,770,588.80

Finding the Fourth Proportional to 87,120,220.80, 130,680,331.20 and 41,770,588.80

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Solution

The fourth proportional to 87,120,220.80, 130,680,331.20 and 41,770,588.80 is: 62,655,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,120,220.80 : 130,680,331.20 = 41,770,588.80 : x
  2. Step 2: Convert to fraction form
    87,120,220.80/130,680,331.20 = 41,770,588.80/x
  3. Step 3: Cross multiply
    87,120,220.80x = 130,680,331.20 × 41,770,588.80
  4. Step 4: Simplify right side
    87,120,220.80x = 5,458,594,378,803,010
  5. Step 5: Solve for x
    x = 5,458,594,378,803,010/87,120,220.80
  6. Step 6: Final answer
    x = 62,655,883.20

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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.