Home / 232,677,028.67-321,094,221.23-128,256,843.78

Finding the Fourth Proportional to 232,677,028.67, 321,094,221.23 and 128,256,843.78

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Solution

The fourth proportional to 232,677,028.67, 321,094,221.23 and 128,256,843.78 is: 176,994,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,677,028.67 : 321,094,221.23 = 128,256,843.78 : x
  2. Step 2: Convert to fraction form
    232,677,028.67/321,094,221.23 = 128,256,843.78/x
  3. Step 3: Cross multiply
    232,677,028.67x = 321,094,221.23 × 128,256,843.78
  4. Step 4: Simplify right side
    232,677,028.67x = 41,182,531,371,277,512
  5. Step 5: Solve for x
    x = 41,182,531,371,277,512/232,677,028.67
  6. Step 6: Final answer
    x = 176,994,401.24

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1.5x scale

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.