Home / 87,448,669.70-131,173,004.55-80,879,504.90

Finding the Fourth Proportional to 87,448,669.70, 131,173,004.55 and 80,879,504.90

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Solution

The fourth proportional to 87,448,669.70, 131,173,004.55 and 80,879,504.90 is: 121,319,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448,669.70 : 131,173,004.55 = 80,879,504.90 : x
  2. Step 2: Convert to fraction form
    87,448,669.70/131,173,004.55 = 80,879,504.90/x
  3. Step 3: Cross multiply
    87,448,669.70x = 131,173,004.55 × 80,879,504.90
  4. Step 4: Simplify right side
    87,448,669.70x = 10,609,207,664,249,448
  5. Step 5: Solve for x
    x = 10,609,207,664,249,448/87,448,669.70
  6. Step 6: Final answer
    x = 121,319,257.35

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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.