Home / 325,921,810.20-488,882,715.30-172,866,802.20

Finding the Fourth Proportional to 325,921,810.20, 488,882,715.30 and 172,866,802.20

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Solution

The fourth proportional to 325,921,810.20, 488,882,715.30 and 172,866,802.20 is: 259,300,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,921,810.20 : 488,882,715.30 = 172,866,802.20 : x
  2. Step 2: Convert to fraction form
    325,921,810.20/488,882,715.30 = 172,866,802.20/x
  3. Step 3: Cross multiply
    325,921,810.20x = 488,882,715.30 × 172,866,802.20
  4. Step 4: Simplify right side
    325,921,810.20x = 84,511,591,644,764,016
  5. Step 5: Solve for x
    x = 84,511,591,644,764,016/325,921,810.20
  6. Step 6: Final answer
    x = 259,300,203.30

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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.