Home / 54,828,043.68-82,155,546-20,236,834.56

Finding the Fourth Proportional to 54,828,043.68, 82,155,546 and 20,236,834.56

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Solution

The fourth proportional to 54,828,043.68, 82,155,546 and 20,236,834.56 is: 30,323,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828,043.68 : 82,155,546 = 20,236,834.56 : x
  2. Step 2: Convert to fraction form
    54,828,043.68/82,155,546 = 20,236,834.56/x
  3. Step 3: Cross multiply
    54,828,043.68x = 82,155,546 × 20,236,834.56
  4. Step 4: Simplify right side
    54,828,043.68x = 1,662,568,192,588,469.75
  5. Step 5: Solve for x
    x = 1,662,568,192,588,469.75/54,828,043.68
  6. Step 6: Final answer
    x = 30,323,317.80

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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.