Home / 219,026,800.20-328,540,200.30-132,862,499.40

Finding the Fourth Proportional to 219,026,800.20, 328,540,200.30 and 132,862,499.40

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Solution

The fourth proportional to 219,026,800.20, 328,540,200.30 and 132,862,499.40 is: 199,293,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026,800.20 : 328,540,200.30 = 132,862,499.40 : x
  2. Step 2: Convert to fraction form
    219,026,800.20/328,540,200.30 = 132,862,499.40/x
  3. Step 3: Cross multiply
    219,026,800.20x = 328,540,200.30 × 132,862,499.40
  4. Step 4: Simplify right side
    219,026,800.20x = 43,650,672,165,234,632
  5. Step 5: Solve for x
    x = 43,650,672,165,234,632/219,026,800.20
  6. Step 6: Final answer
    x = 199,293,749.10

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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.