Home / 121,115,831.80-181,673,747.70-88,591,642.60

Finding the Fourth Proportional to 121,115,831.80, 181,673,747.70 and 88,591,642.60

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Solution

The fourth proportional to 121,115,831.80, 181,673,747.70 and 88,591,642.60 is: 132,887,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,115,831.80 : 181,673,747.70 = 88,591,642.60 : x
  2. Step 2: Convert to fraction form
    121,115,831.80/181,673,747.70 = 88,591,642.60/x
  3. Step 3: Cross multiply
    121,115,831.80x = 181,673,747.70 × 88,591,642.60
  4. Step 4: Simplify right side
    121,115,831.80x = 16,094,775,726,040,970
  5. Step 5: Solve for x
    x = 16,094,775,726,040,970/121,115,831.80
  6. Step 6: Final answer
    x = 132,887,463.90

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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.