Home / 126,083,212.74-173,999,160.21-73,155,923.73

Finding the Fourth Proportional to 126,083,212.74, 173,999,160.21 and 73,155,923.73

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Solution

The fourth proportional to 126,083,212.74, 173,999,160.21 and 73,155,923.73 is: 100,957,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,083,212.74 : 173,999,160.21 = 73,155,923.73 : x
  2. Step 2: Convert to fraction form
    126,083,212.74/173,999,160.21 = 73,155,923.73/x
  3. Step 3: Cross multiply
    126,083,212.74x = 173,999,160.21 × 73,155,923.73
  4. Step 4: Simplify right side
    126,083,212.74x = 12,729,069,293,406,812
  5. Step 5: Solve for x
    x = 12,729,069,293,406,812/126,083,212.74
  6. Step 6: Final answer
    x = 100,957,685.14

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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.