Home / 219,491,749.25-329,237,766.02-55,741,786.37

Finding the Fourth Proportional to 219,491,749.25, 329,237,766.02 and 55,741,786.37

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Solution

The fourth proportional to 219,491,749.25, 329,237,766.02 and 55,741,786.37 is: 83,612,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,491,749.25 : 329,237,766.02 = 55,741,786.37 : x
  2. Step 2: Convert to fraction form
    219,491,749.25/329,237,766.02 = 55,741,786.37/x
  3. Step 3: Cross multiply
    219,491,749.25x = 329,237,766.02 × 55,741,786.37
  4. Step 4: Simplify right side
    219,491,749.25x = 18,352,301,218,422,884
  5. Step 5: Solve for x
    x = 18,352,301,218,422,884/219,491,749.25
  6. Step 6: Final answer
    x = 83,612,715.65

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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.