Home / 215,511,363.30-323,267,044.95-198,883,164.90

Finding the Fourth Proportional to 215,511,363.30, 323,267,044.95 and 198,883,164.90

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Solution

The fourth proportional to 215,511,363.30, 323,267,044.95 and 198,883,164.90 is: 298,324,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,511,363.30 : 323,267,044.95 = 198,883,164.90 : x
  2. Step 2: Convert to fraction form
    215,511,363.30/323,267,044.95 = 198,883,164.90/x
  3. Step 3: Cross multiply
    215,511,363.30x = 323,267,044.95 × 198,883,164.90
  4. Step 4: Simplify right side
    215,511,363.30x = 64,292,373,007,526,560
  5. Step 5: Solve for x
    x = 64,292,373,007,526,560/215,511,363.30
  6. Step 6: Final answer
    x = 298,324,747.35

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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.