Home / 232,966,839.15-321,500,940.48-128,551,648.68

Finding the Fourth Proportional to 232,966,839.15, 321,500,940.48 and 128,551,648.68

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Solution

The fourth proportional to 232,966,839.15, 321,500,940.48 and 128,551,648.68 is: 177,404,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,966,839.15 : 321,500,940.48 = 128,551,648.68 : x
  2. Step 2: Convert to fraction form
    232,966,839.15/321,500,940.48 = 128,551,648.68/x
  3. Step 3: Cross multiply
    232,966,839.15x = 321,500,940.48 × 128,551,648.68
  4. Step 4: Simplify right side
    232,966,839.15x = 41,329,475,950,874,552
  5. Step 5: Solve for x
    x = 41,329,475,950,874,552/232,966,839.15
  6. Step 6: Final answer
    x = 177,404,973.61

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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.