Home / 217,654,735.29-326,159,249.33-159,864,512.34

Finding the Fourth Proportional to 217,654,735.29, 326,159,249.33 and 159,864,512.34

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Solution

The fourth proportional to 217,654,735.29, 326,159,249.33 and 159,864,512.34 is: 239,559,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,654,735.29 : 326,159,249.33 = 159,864,512.34 : x
  2. Step 2: Convert to fraction form
    217,654,735.29/326,159,249.33 = 159,864,512.34/x
  3. Step 3: Cross multiply
    217,654,735.29x = 326,159,249.33 × 159,864,512.34
  4. Step 4: Simplify right side
    217,654,735.29x = 52,141,289,339,320,920
  5. Step 5: Solve for x
    x = 52,141,289,339,320,920/217,654,735.29
  6. Step 6: Final answer
    x = 239,559,636.83

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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.