Home / 232,697,064.66-321,124,163.85-128,278,881.06

Finding the Fourth Proportional to 232,697,064.66, 321,124,163.85 and 128,278,881.06

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Solution

The fourth proportional to 232,697,064.66, 321,124,163.85 and 128,278,881.06 is: 177,026,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,697,064.66 : 321,124,163.85 = 128,278,881.06 : x
  2. Step 2: Convert to fraction form
    232,697,064.66/321,124,163.85 = 128,278,881.06/x
  3. Step 3: Cross multiply
    232,697,064.66x = 321,124,163.85 × 128,278,881.06
  4. Step 4: Simplify right side
    232,697,064.66x = 41,193,448,420,006,104
  5. Step 5: Solve for x
    x = 41,193,448,420,006,104/232,697,064.66
  6. Step 6: Final answer
    x = 177,026,076.72

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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.