Home / 217,401,663.76-326,132,777.39-69,853,663.91

Finding the Fourth Proportional to 217,401,663.76, 326,132,777.39 and 69,853,663.91

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Solution

The fourth proportional to 217,401,663.76, 326,132,777.39 and 69,853,663.91 is: 104,790,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401,663.76 : 326,132,777.39 = 69,853,663.91 : x
  2. Step 2: Convert to fraction form
    217,401,663.76/326,132,777.39 = 69,853,663.91/x
  3. Step 3: Cross multiply
    217,401,663.76x = 326,132,777.39 × 69,853,663.91
  4. Step 4: Simplify right side
    217,401,663.76x = 22,781,569,422,301,968
  5. Step 5: Solve for x
    x = 22,781,569,422,301,968/217,401,663.76
  6. Step 6: Final answer
    x = 104,790,225.74

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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.