Home / 232,624,993.73-321,008,067.65-128,197,230.89

Finding the Fourth Proportional to 232,624,993.73, 321,008,067.65 and 128,197,230.89

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Solution

The fourth proportional to 232,624,993.73, 321,008,067.65 and 128,197,230.89 is: 176,904,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,624,993.73 : 321,008,067.65 = 128,197,230.89 : x
  2. Step 2: Convert to fraction form
    232,624,993.73/321,008,067.65 = 128,197,230.89/x
  3. Step 3: Cross multiply
    232,624,993.73x = 321,008,067.65 × 128,197,230.89
  4. Step 4: Simplify right side
    232,624,993.73x = 41,152,345,365,438,800
  5. Step 5: Solve for x
    x = 41,152,345,365,438,800/232,624,993.73
  6. Step 6: Final answer
    x = 176,904,229.87

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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.