Home / 87,228,517,475.70-120,375,354,348.13-47,130,496,864.20

Finding the Fourth Proportional to 87,228,517,475.70, 120,375,354,348.13 and 47,130,496,864.20

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Solution

The fourth proportional to 87,228,517,475.70, 120,375,354,348.13 and 47,130,496,864.20 is: 65,040,085,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,228,517,475.70 : 120,375,354,348.13 = 47,130,496,864.20 : x
  2. Step 2: Convert to fraction form
    87,228,517,475.70/120,375,354,348.13 = 47,130,496,864.20/x
  3. Step 3: Cross multiply
    87,228,517,475.70x = 120,375,354,348.13 × 47,130,496,864.20
  4. Step 4: Simplify right side
    87,228,517,475.70x = 5,673,350,260,631,504,158,720
  5. Step 5: Solve for x
    x = 5,673,350,260,631,504,158,720/87,228,517,475.70
  6. Step 6: Final answer
    x = 65,040,085,797.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.