Home / 66,194,268.96-99,305,766.98-20,134,940.88

Finding the Fourth Proportional to 66,194,268.96, 99,305,766.98 and 20,134,940.88

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Solution

The fourth proportional to 66,194,268.96, 99,305,766.98 and 20,134,940.88 is: 30,206,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194,268.96 : 99,305,766.98 = 20,134,940.88 : x
  2. Step 2: Convert to fraction form
    66,194,268.96/99,305,766.98 = 20,134,940.88/x
  3. Step 3: Cross multiply
    66,194,268.96x = 99,305,766.98 × 20,134,940.88
  4. Step 4: Simplify right side
    66,194,268.96x = 1,999,515,747,084,681.25
  5. Step 5: Solve for x
    x = 1,999,515,747,084,681.25/66,194,268.96
  6. Step 6: Final answer
    x = 30,206,780.41

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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.