Home / 199,383,487.20-299,383,160.40-108,684,223.20

Finding the Fourth Proportional to 199,383,487.20, 299,383,160.40 and 108,684,223.20

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Solution

The fourth proportional to 199,383,487.20, 299,383,160.40 and 108,684,223.20 is: 163,194,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,383,487.20 : 299,383,160.40 = 108,684,223.20 : x
  2. Step 2: Convert to fraction form
    199,383,487.20/299,383,160.40 = 108,684,223.20/x
  3. Step 3: Cross multiply
    199,383,487.20x = 299,383,160.40 × 108,684,223.20
  4. Step 4: Simplify right side
    199,383,487.20x = 32,538,226,227,235,000
  5. Step 5: Solve for x
    x = 32,538,226,227,235,000/199,383,487.20
  6. Step 6: Final answer
    x = 163,194,187.66

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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.