Home / 226,261,920.89-339,129,653.89-129,285,616.97

Finding the Fourth Proportional to 226,261,920.89, 339,129,653.89 and 129,285,616.97

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Solution

The fourth proportional to 226,261,920.89, 339,129,653.89 and 129,285,616.97 is: 193,778,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,261,920.89 : 339,129,653.89 = 129,285,616.97 : x
  2. Step 2: Convert to fraction form
    226,261,920.89/339,129,653.89 = 129,285,616.97/x
  3. Step 3: Cross multiply
    226,261,920.89x = 339,129,653.89 × 129,285,616.97
  4. Step 4: Simplify right side
    226,261,920.89x = 43,844,586,535,991,208
  5. Step 5: Solve for x
    x = 43,844,586,535,991,208/226,261,920.89
  6. Step 6: Final answer
    x = 193,778,017.81

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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.