Home / 326,646,070.20-489,969,105.30-144,893,248.20

Finding the Fourth Proportional to 326,646,070.20, 489,969,105.30 and 144,893,248.20

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Solution

The fourth proportional to 326,646,070.20, 489,969,105.30 and 144,893,248.20 is: 217,339,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,646,070.20 : 489,969,105.30 = 144,893,248.20 : x
  2. Step 2: Convert to fraction form
    326,646,070.20/489,969,105.30 = 144,893,248.20/x
  3. Step 3: Cross multiply
    326,646,070.20x = 489,969,105.30 × 144,893,248.20
  4. Step 4: Simplify right side
    326,646,070.20x = 70,993,215,184,564,832
  5. Step 5: Solve for x
    x = 70,993,215,184,564,832/326,646,070.20
  6. Step 6: Final answer
    x = 217,339,872.30

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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.