Home / 229,972,309.80-345,126,426.30-161,947,861.80

Finding the Fourth Proportional to 229,972,309.80, 345,126,426.30 and 161,947,861.80

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Solution

The fourth proportional to 229,972,309.80, 345,126,426.30 and 161,947,861.80 is: 243,040,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,972,309.80 : 345,126,426.30 = 161,947,861.80 : x
  2. Step 2: Convert to fraction form
    229,972,309.80/345,126,426.30 = 161,947,861.80/x
  3. Step 3: Cross multiply
    229,972,309.80x = 345,126,426.30 × 161,947,861.80
  4. Step 4: Simplify right side
    229,972,309.80x = 55,892,486,789,960,288
  5. Step 5: Solve for x
    x = 55,892,486,789,960,288/229,972,309.80
  6. Step 6: Final answer
    x = 243,040,072.25

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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.