Home / 92,505,420,568.52-138,660,198,010.90-31,115,761,582.79

Finding the Fourth Proportional to 92,505,420,568.52, 138,660,198,010.90 and 31,115,761,582.79

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Solution

The fourth proportional to 92,505,420,568.52, 138,660,198,010.90 and 31,115,761,582.79 is: 46,640,701,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,505,420,568.52 : 138,660,198,010.90 = 31,115,761,582.79 : x
  2. Step 2: Convert to fraction form
    92,505,420,568.52/138,660,198,010.90 = 31,115,761,582.79/x
  3. Step 3: Cross multiply
    92,505,420,568.52x = 138,660,198,010.90 × 31,115,761,582.79
  4. Step 4: Simplify right side
    92,505,420,568.52x = 4,314,517,662,329,755,140,096
  5. Step 5: Solve for x
    x = 4,314,517,662,329,755,140,096/92,505,420,568.52
  6. Step 6: Final answer
    x = 46,640,701,007.72

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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.