Home / 217,314,024.40-325,859,062.20-80,929,205.20

Finding the Fourth Proportional to 217,314,024.40, 325,859,062.20 and 80,929,205.20

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Solution

The fourth proportional to 217,314,024.40, 325,859,062.20 and 80,929,205.20 is: 121,352,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,314,024.40 : 325,859,062.20 = 80,929,205.20 : x
  2. Step 2: Convert to fraction form
    217,314,024.40/325,859,062.20 = 80,929,205.20/x
  3. Step 3: Cross multiply
    217,314,024.40x = 325,859,062.20 × 80,929,205.20
  4. Step 4: Simplify right side
    217,314,024.40x = 26,371,514,911,063,364
  5. Step 5: Solve for x
    x = 26,371,514,911,063,364/217,314,024.40
  6. Step 6: Final answer
    x = 121,352,107.78

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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.