Home / 217,401,664.76-326,132,778.89-69,853,664.91

Finding the Fourth Proportional to 217,401,664.76, 326,132,778.89 and 69,853,664.91

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Solution

The fourth proportional to 217,401,664.76, 326,132,778.89 and 69,853,664.91 is: 104,790,227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401,664.76 : 326,132,778.89 = 69,853,664.91 : x
  2. Step 2: Convert to fraction form
    217,401,664.76/326,132,778.89 = 69,853,664.91/x
  3. Step 3: Cross multiply
    217,401,664.76x = 326,132,778.89 × 69,853,664.91
  4. Step 4: Simplify right side
    217,401,664.76x = 22,781,569,852,749,180
  5. Step 5: Solve for x
    x = 22,781,569,852,749,180/217,401,664.76
  6. Step 6: Final answer
    x = 104,790,227.24

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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.