Home / 217,515,265.22-326,269,703.18-53,753,017.37

Finding the Fourth Proportional to 217,515,265.22, 326,269,703.18 and 53,753,017.37

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Solution

The fourth proportional to 217,515,265.22, 326,269,703.18 and 53,753,017.37 is: 80,628,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,515,265.22 : 326,269,703.18 = 53,753,017.37 : x
  2. Step 2: Convert to fraction form
    217,515,265.22/326,269,703.18 = 53,753,017.37/x
  3. Step 3: Cross multiply
    217,515,265.22x = 326,269,703.18 × 53,753,017.37
  4. Step 4: Simplify right side
    217,515,265.22x = 17,537,981,020,842,320
  5. Step 5: Solve for x
    x = 17,537,981,020,842,320/217,515,265.22
  6. Step 6: Final answer
    x = 80,628,736.58

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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.