Home / 325,921,808.20-488,882,712.30-172,866,800.20

Finding the Fourth Proportional to 325,921,808.20, 488,882,712.30 and 172,866,800.20

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Solution

The fourth proportional to 325,921,808.20, 488,882,712.30 and 172,866,800.20 is: 259,300,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,921,808.20 : 488,882,712.30 = 172,866,800.20 : x
  2. Step 2: Convert to fraction form
    325,921,808.20/488,882,712.30 = 172,866,800.20/x
  3. Step 3: Cross multiply
    325,921,808.20x = 488,882,712.30 × 172,866,800.20
  4. Step 4: Simplify right side
    325,921,808.20x = 84,511,590,148,398,176
  5. Step 5: Solve for x
    x = 84,511,590,148,398,176/325,921,808.20
  6. Step 6: Final answer
    x = 259,300,200.30

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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.