Home / 233,083,651.28-321,653,625.80-128,661,755.92

Finding the Fourth Proportional to 233,083,651.28, 321,653,625.80 and 128,661,755.92

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Solution

The fourth proportional to 233,083,651.28, 321,653,625.80 and 128,661,755.92 is: 177,552,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,083,651.28 : 321,653,625.80 = 128,661,755.92 : x
  2. Step 2: Convert to fraction form
    233,083,651.28/321,653,625.80 = 128,661,755.92/x
  3. Step 3: Cross multiply
    233,083,651.28x = 321,653,625.80 × 128,661,755.92
  4. Step 4: Simplify right side
    233,083,651.28x = 41,384,520,293,462,616
  5. Step 5: Solve for x
    x = 41,384,520,293,462,616/233,083,651.28
  6. Step 6: Final answer
    x = 177,552,222.42

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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.