Home / 264,204,906.20-396,307,359.30-172,371,901.40

Finding the Fourth Proportional to 264,204,906.20, 396,307,359.30 and 172,371,901.40

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Solution

The fourth proportional to 264,204,906.20, 396,307,359.30 and 172,371,901.40 is: 258,557,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,204,906.20 : 396,307,359.30 = 172,371,901.40 : x
  2. Step 2: Convert to fraction form
    264,204,906.20/396,307,359.30 = 172,371,901.40/x
  3. Step 3: Cross multiply
    264,204,906.20x = 396,307,359.30 × 172,371,901.40
  4. Step 4: Simplify right side
    264,204,906.20x = 68,312,253,061,353,976
  5. Step 5: Solve for x
    x = 68,312,253,061,353,976/264,204,906.20
  6. Step 6: Final answer
    x = 258,557,852.10

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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.