Home / 234,858,069.80-352,287,104.70-213,694,908.20

Finding the Fourth Proportional to 234,858,069.80, 352,287,104.70 and 213,694,908.20

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Solution

The fourth proportional to 234,858,069.80, 352,287,104.70 and 213,694,908.20 is: 320,542,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,858,069.80 : 352,287,104.70 = 213,694,908.20 : x
  2. Step 2: Convert to fraction form
    234,858,069.80/352,287,104.70 = 213,694,908.20/x
  3. Step 3: Cross multiply
    234,858,069.80x = 352,287,104.70 × 213,694,908.20
  4. Step 4: Simplify right side
    234,858,069.80x = 75,281,960,498,910,288
  5. Step 5: Solve for x
    x = 75,281,960,498,910,288/234,858,069.80
  6. Step 6: Final answer
    x = 320,542,362.30

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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.