Home / 219,491,748.25-329,237,764.52-55,741,785.37

Finding the Fourth Proportional to 219,491,748.25, 329,237,764.52 and 55,741,785.37

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Solution

The fourth proportional to 219,491,748.25, 329,237,764.52 and 55,741,785.37 is: 83,612,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,491,748.25 : 329,237,764.52 = 55,741,785.37 : x
  2. Step 2: Convert to fraction form
    219,491,748.25/329,237,764.52 = 55,741,785.37/x
  3. Step 3: Cross multiply
    219,491,748.25x = 329,237,764.52 × 55,741,785.37
  4. Step 4: Simplify right side
    219,491,748.25x = 18,352,300,804,470,636
  5. Step 5: Solve for x
    x = 18,352,300,804,470,636/219,491,748.25
  6. Step 6: Final answer
    x = 83,612,714.15

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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.