Home / 199,383,856.20-299,383,713.90-108,684,592.20

Finding the Fourth Proportional to 199,383,856.20, 299,383,713.90 and 108,684,592.20

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Solution

The fourth proportional to 199,383,856.20, 299,383,713.90 and 108,684,592.20 is: 163,194,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,383,856.20 : 299,383,713.90 = 108,684,592.20 : x
  2. Step 2: Convert to fraction form
    199,383,856.20/299,383,713.90 = 108,684,592.20/x
  3. Step 3: Cross multiply
    199,383,856.20x = 299,383,713.90 × 108,684,592.20
  4. Step 4: Simplify right side
    199,383,856.20x = 32,538,396,856,542,968
  5. Step 5: Solve for x
    x = 32,538,396,856,542,968/199,383,856.20
  6. Step 6: Final answer
    x = 163,194,741.42

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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.