Home / 219,433,216.40-329,149,824.60-199,344,746.60

Finding the Fourth Proportional to 219,433,216.40, 329,149,824.60 and 199,344,746.60

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Solution

The fourth proportional to 219,433,216.40, 329,149,824.60 and 199,344,746.60 is: 299,017,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,433,216.40 : 329,149,824.60 = 199,344,746.60 : x
  2. Step 2: Convert to fraction form
    219,433,216.40/329,149,824.60 = 199,344,746.60/x
  3. Step 3: Cross multiply
    219,433,216.40x = 329,149,824.60 × 199,344,746.60
  4. Step 4: Simplify right side
    219,433,216.40x = 65,614,288,378,321,448
  5. Step 5: Solve for x
    x = 65,614,288,378,321,448/219,433,216.40
  6. Step 6: Final answer
    x = 299,017,119.90

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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.