Home / 81,336,231.80-122,004,347.70-27,482,766.20

Finding the Fourth Proportional to 81,336,231.80, 122,004,347.70 and 27,482,766.20

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Solution

The fourth proportional to 81,336,231.80, 122,004,347.70 and 27,482,766.20 is: 41,224,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336,231.80 : 122,004,347.70 = 27,482,766.20 : x
  2. Step 2: Convert to fraction form
    81,336,231.80/122,004,347.70 = 27,482,766.20/x
  3. Step 3: Cross multiply
    81,336,231.80x = 122,004,347.70 × 27,482,766.20
  4. Step 4: Simplify right side
    81,336,231.80x = 3,353,016,963,222,607.50
  5. Step 5: Solve for x
    x = 3,353,016,963,222,607.50/81,336,231.80
  6. Step 6: Final answer
    x = 41,224,149.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.