Home / 232,715,033.91-321,149,221.61-128,296,841.93

Finding the Fourth Proportional to 232,715,033.91, 321,149,221.61 and 128,296,841.93

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Solution

The fourth proportional to 232,715,033.91, 321,149,221.61 and 128,296,841.93 is: 177,051,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,715,033.91 : 321,149,221.61 = 128,296,841.93 : x
  2. Step 2: Convert to fraction form
    232,715,033.91/321,149,221.61 = 128,296,841.93/x
  3. Step 3: Cross multiply
    232,715,033.91x = 321,149,221.61 × 128,296,841.93
  4. Step 4: Simplify right side
    232,715,033.91x = 41,202,430,919,797,792
  5. Step 5: Solve for x
    x = 41,202,430,919,797,792/232,715,033.91
  6. Step 6: Final answer
    x = 177,051,006.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.