Home / 243,435,597.72-335,835,560.88-161,044,134.36

Finding the Fourth Proportional to 243,435,597.72, 335,835,560.88 and 161,044,134.36

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Solution

The fourth proportional to 243,435,597.72, 335,835,560.88 and 161,044,134.36 is: 222,171,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,435,597.72 : 335,835,560.88 = 161,044,134.36 : x
  2. Step 2: Convert to fraction form
    243,435,597.72/335,835,560.88 = 161,044,134.36/x
  3. Step 3: Cross multiply
    243,435,597.72x = 335,835,560.88 × 161,044,134.36
  4. Step 4: Simplify right side
    243,435,597.72x = 54,084,347,189,224,680
  5. Step 5: Solve for x
    x = 54,084,347,189,224,680/243,435,597.72
  6. Step 6: Final answer
    x = 222,171,069.87

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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.