Home / 118,332,823.78-163,315,518.97-68,096,009.94

Finding the Fourth Proportional to 118,332,823.78, 163,315,518.97 and 68,096,009.94

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Solution

The fourth proportional to 118,332,823.78, 163,315,518.97 and 68,096,009.94 is: 93,981,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332,823.78 : 163,315,518.97 = 68,096,009.94 : x
  2. Step 2: Convert to fraction form
    118,332,823.78/163,315,518.97 = 68,096,009.94/x
  3. Step 3: Cross multiply
    118,332,823.78x = 163,315,518.97 × 68,096,009.94
  4. Step 4: Simplify right side
    118,332,823.78x = 11,121,135,203,137,378
  5. Step 5: Solve for x
    x = 11,121,135,203,137,378/118,332,823.78
  6. Step 6: Final answer
    x = 93,981,828.95

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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.