Home / 321,008,426.29-442,991,692.29-195,560,617.61

Finding the Fourth Proportional to 321,008,426.29, 442,991,692.29 and 195,560,617.61

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Solution

The fourth proportional to 321,008,426.29, 442,991,692.29 and 195,560,617.61 is: 269,873,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,008,426.29 : 442,991,692.29 = 195,560,617.61 : x
  2. Step 2: Convert to fraction form
    321,008,426.29/442,991,692.29 = 195,560,617.61/x
  3. Step 3: Cross multiply
    321,008,426.29x = 442,991,692.29 × 195,560,617.61
  4. Step 4: Simplify right side
    321,008,426.29x = 86,631,728,941,071,296
  5. Step 5: Solve for x
    x = 86,631,728,941,071,296/321,008,426.29
  6. Step 6: Final answer
    x = 269,873,691.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.