Home / 87,228,517,476.70-120,375,354,349.51-47,130,496,865.20

Finding the Fourth Proportional to 87,228,517,476.70, 120,375,354,349.51 and 47,130,496,865.20

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Solution

The fourth proportional to 87,228,517,476.70, 120,375,354,349.51 and 47,130,496,865.20 is: 65,040,085,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,228,517,476.70 : 120,375,354,349.51 = 47,130,496,865.20 : x
  2. Step 2: Convert to fraction form
    87,228,517,476.70/120,375,354,349.51 = 47,130,496,865.20/x
  3. Step 3: Cross multiply
    87,228,517,476.70x = 120,375,354,349.51 × 47,130,496,865.20
  4. Step 4: Simplify right side
    87,228,517,476.70x = 5,673,350,260,816,919,658,496
  5. Step 5: Solve for x
    x = 5,673,350,260,816,919,658,496/87,228,517,476.70
  6. Step 6: Final answer
    x = 65,040,085,799.15

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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.