Home / 87,995,928.80-131,993,893.20-82,023,960.80

Finding the Fourth Proportional to 87,995,928.80, 131,993,893.20 and 82,023,960.80

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Solution

The fourth proportional to 87,995,928.80, 131,993,893.20 and 82,023,960.80 is: 123,035,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,995,928.80 : 131,993,893.20 = 82,023,960.80 : x
  2. Step 2: Convert to fraction form
    87,995,928.80/131,993,893.20 = 82,023,960.80/x
  3. Step 3: Cross multiply
    87,995,928.80x = 131,993,893.20 × 82,023,960.80
  4. Step 4: Simplify right side
    87,995,928.80x = 10,826,661,921,676,186
  5. Step 5: Solve for x
    x = 10,826,661,921,676,186/87,995,928.80
  6. Step 6: Final answer
    x = 123,035,941.20

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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.