Home / 85,088,396.92-117,422,230.96-49,331,786.60

Finding the Fourth Proportional to 85,088,396.92, 117,422,230.96 and 49,331,786.60

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Solution

The fourth proportional to 85,088,396.92, 117,422,230.96 and 49,331,786.60 is: 68,078,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,088,396.92 : 117,422,230.96 = 49,331,786.60 : x
  2. Step 2: Convert to fraction form
    85,088,396.92/117,422,230.96 = 49,331,786.60/x
  3. Step 3: Cross multiply
    85,088,396.92x = 117,422,230.96 × 49,331,786.60
  4. Step 4: Simplify right side
    85,088,396.92x = 5,792,648,439,814,633
  5. Step 5: Solve for x
    x = 5,792,648,439,814,633/85,088,396.92
  6. Step 6: Final answer
    x = 68,078,006.51

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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.