Home / 72,183,831.80-108,275,747.70-55,177,719.80

Finding the Fourth Proportional to 72,183,831.80, 108,275,747.70 and 55,177,719.80

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Solution

The fourth proportional to 72,183,831.80, 108,275,747.70 and 55,177,719.80 is: 82,766,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,831.80 : 108,275,747.70 = 55,177,719.80 : x
  2. Step 2: Convert to fraction form
    72,183,831.80/108,275,747.70 = 55,177,719.80/x
  3. Step 3: Cross multiply
    72,183,831.80x = 108,275,747.70 × 55,177,719.80
  4. Step 4: Simplify right side
    72,183,831.80x = 5,974,408,867,726,094
  5. Step 5: Solve for x
    x = 5,974,408,867,726,094/72,183,831.80
  6. Step 6: Final answer
    x = 82,766,579.70

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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.