Home / 219,025,766.20-328,538,649.30-132,861,465.40

Finding the Fourth Proportional to 219,025,766.20, 328,538,649.30 and 132,861,465.40

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Solution

The fourth proportional to 219,025,766.20, 328,538,649.30 and 132,861,465.40 is: 199,292,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,025,766.20 : 328,538,649.30 = 132,861,465.40 : x
  2. Step 2: Convert to fraction form
    219,025,766.20/328,538,649.30 = 132,861,465.40/x
  3. Step 3: Cross multiply
    219,025,766.20x = 328,538,649.30 × 132,861,465.40
  4. Step 4: Simplify right side
    219,025,766.20x = 43,650,126,386,534,688
  5. Step 5: Solve for x
    x = 43,650,126,386,534,688/219,025,766.20
  6. Step 6: Final answer
    x = 199,292,198.10

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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.