Home / 115,542,761.67-173,026,650.02-80,836,675.47

Finding the Fourth Proportional to 115,542,761.67, 173,026,650.02 and 80,836,675.47

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Solution

The fourth proportional to 115,542,761.67, 173,026,650.02 and 80,836,675.47 is: 121,053,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,542,761.67 : 173,026,650.02 = 80,836,675.47 : x
  2. Step 2: Convert to fraction form
    115,542,761.67/173,026,650.02 = 80,836,675.47/x
  3. Step 3: Cross multiply
    115,542,761.67x = 173,026,650.02 × 80,836,675.47
  4. Step 4: Simplify right side
    115,542,761.67x = 13,986,899,154,923,824
  5. Step 5: Solve for x
    x = 13,986,899,154,923,824/115,542,761.67
  6. Step 6: Final answer
    x = 121,053,876.10

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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.