Home / 229,972,316.80-345,126,436.80-161,947,868.80

Finding the Fourth Proportional to 229,972,316.80, 345,126,436.80 and 161,947,868.80

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Solution

The fourth proportional to 229,972,316.80, 345,126,436.80 and 161,947,868.80 is: 243,040,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,972,316.80 : 345,126,436.80 = 161,947,868.80 : x
  2. Step 2: Convert to fraction form
    229,972,316.80/345,126,436.80 = 161,947,868.80/x
  3. Step 3: Cross multiply
    229,972,316.80x = 345,126,436.80 × 161,947,868.80
  4. Step 4: Simplify right side
    229,972,316.80x = 55,892,490,906,297,896
  5. Step 5: Solve for x
    x = 55,892,490,906,297,896/229,972,316.80
  6. Step 6: Final answer
    x = 243,040,082.75

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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.