Home / 233,177,640.54-321,668,919.12-139,025,385.42

Finding the Fourth Proportional to 233,177,640.54, 321,668,919.12 and 139,025,385.42

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Solution

The fourth proportional to 233,177,640.54, 321,668,919.12 and 139,025,385.42 is: 191,785,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,177,640.54 : 321,668,919.12 = 139,025,385.42 : x
  2. Step 2: Convert to fraction form
    233,177,640.54/321,668,919.12 = 139,025,385.42/x
  3. Step 3: Cross multiply
    233,177,640.54x = 321,668,919.12 × 139,025,385.42
  4. Step 4: Simplify right side
    233,177,640.54x = 44,720,145,458,292,800
  5. Step 5: Solve for x
    x = 44,720,145,458,292,800/233,177,640.54
  6. Step 6: Final answer
    x = 191,785,736.21

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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.