Home / 72,183,721.80-108,275,582.70-55,177,609.80

Finding the Fourth Proportional to 72,183,721.80, 108,275,582.70 and 55,177,609.80

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Solution

The fourth proportional to 72,183,721.80, 108,275,582.70 and 55,177,609.80 is: 82,766,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,721.80 : 108,275,582.70 = 55,177,609.80 : x
  2. Step 2: Convert to fraction form
    72,183,721.80/108,275,582.70 = 55,177,609.80/x
  3. Step 3: Cross multiply
    72,183,721.80x = 108,275,582.70 × 55,177,609.80
  4. Step 4: Simplify right side
    72,183,721.80x = 5,974,387,853,088,230
  5. Step 5: Solve for x
    x = 5,974,387,853,088,230/72,183,721.80
  6. Step 6: Final answer
    x = 82,766,414.70

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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.