Home / 118,332,855.43-163,315,562.72-68,096,041.61

Finding the Fourth Proportional to 118,332,855.43, 163,315,562.72 and 68,096,041.61

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Solution

The fourth proportional to 118,332,855.43, 163,315,562.72 and 68,096,041.61 is: 93,981,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332,855.43 : 163,315,562.72 = 68,096,041.61 : x
  2. Step 2: Convert to fraction form
    118,332,855.43/163,315,562.72 = 68,096,041.61/x
  3. Step 3: Cross multiply
    118,332,855.43x = 163,315,562.72 × 68,096,041.61
  4. Step 4: Simplify right side
    118,332,855.43x = 11,121,143,353,384,628
  5. Step 5: Solve for x
    x = 11,121,143,353,384,628/118,332,855.43
  6. Step 6: Final answer
    x = 93,981,872.68

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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.