Home / 126,083,210.74-173,999,157.45-73,155,921.73

Finding the Fourth Proportional to 126,083,210.74, 173,999,157.45 and 73,155,921.73

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Solution

The fourth proportional to 126,083,210.74, 173,999,157.45 and 73,155,921.73 is: 100,957,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,083,210.74 : 173,999,157.45 = 73,155,921.73 : x
  2. Step 2: Convert to fraction form
    126,083,210.74/173,999,157.45 = 73,155,921.73/x
  3. Step 3: Cross multiply
    126,083,210.74x = 173,999,157.45 × 73,155,921.73
  4. Step 4: Simplify right side
    126,083,210.74x = 12,729,068,743,498,146
  5. Step 5: Solve for x
    x = 12,729,068,743,498,146/126,083,210.74
  6. Step 6: Final answer
    x = 100,957,682.38

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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.