Home / 233,177,639.54-321,668,917.74-139,025,384.42

Finding the Fourth Proportional to 233,177,639.54, 321,668,917.74 and 139,025,384.42

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Solution

The fourth proportional to 233,177,639.54, 321,668,917.74 and 139,025,384.42 is: 191,785,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,177,639.54 : 321,668,917.74 = 139,025,384.42 : x
  2. Step 2: Convert to fraction form
    233,177,639.54/321,668,917.74 = 139,025,384.42/x
  3. Step 3: Cross multiply
    233,177,639.54x = 321,668,917.74 × 139,025,384.42
  4. Step 4: Simplify right side
    233,177,639.54x = 44,720,144,944,768,856
  5. Step 5: Solve for x
    x = 44,720,144,944,768,856/233,177,639.54
  6. Step 6: Final answer
    x = 191,785,734.83

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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.