Home / 87,228,517,494.78-120,375,354,374.52-47,130,496,883.28

Finding the Fourth Proportional to 87,228,517,494.78, 120,375,354,374.52 and 47,130,496,883.28

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Solution

The fourth proportional to 87,228,517,494.78, 120,375,354,374.52 and 47,130,496,883.28 is: 65,040,085,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,228,517,494.78 : 120,375,354,374.52 = 47,130,496,883.28 : x
  2. Step 2: Convert to fraction form
    87,228,517,494.78/120,375,354,374.52 = 47,130,496,883.28/x
  3. Step 3: Cross multiply
    87,228,517,494.78x = 120,375,354,374.52 × 47,130,496,883.28
  4. Step 4: Simplify right side
    87,228,517,494.78x = 5,673,350,264,172,040,945,664
  5. Step 5: Solve for x
    x = 5,673,350,264,172,040,945,664/87,228,517,494.78
  6. Step 6: Final answer
    x = 65,040,085,824.13

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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.