Home / 120,936,030.80-181,404,046.20-66,327,515.60

Finding the Fourth Proportional to 120,936,030.80, 181,404,046.20 and 66,327,515.60

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Solution

The fourth proportional to 120,936,030.80, 181,404,046.20 and 66,327,515.60 is: 99,491,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,936,030.80 : 181,404,046.20 = 66,327,515.60 : x
  2. Step 2: Convert to fraction form
    120,936,030.80/181,404,046.20 = 66,327,515.60/x
  3. Step 3: Cross multiply
    120,936,030.80x = 181,404,046.20 × 66,327,515.60
  4. Step 4: Simplify right side
    120,936,030.80x = 12,032,079,704,233,620
  5. Step 5: Solve for x
    x = 12,032,079,704,233,620/120,936,030.80
  6. Step 6: Final answer
    x = 99,491,273.40

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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.