Home / 111,775,674.20-167,327,588.10-66,314,067.80

Finding the Fourth Proportional to 111,775,674.20, 167,327,588.10 and 66,314,067.80

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Solution

The fourth proportional to 111,775,674.20, 167,327,588.10 and 66,314,067.80 is: 99,271,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775,674.20 : 167,327,588.10 = 66,314,067.80 : x
  2. Step 2: Convert to fraction form
    111,775,674.20/167,327,588.10 = 66,314,067.80/x
  3. Step 3: Cross multiply
    111,775,674.20x = 167,327,588.10 × 66,314,067.80
  4. Step 4: Simplify right side
    111,775,674.20x = 11,096,173,022,073,872
  5. Step 5: Solve for x
    x = 11,096,173,022,073,872/111,775,674.20
  6. Step 6: Final answer
    x = 99,271,805.80

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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.