Home / 66,647,452.73-99,980,742.29-20,593,343.07

Finding the Fourth Proportional to 66,647,452.73, 99,980,742.29 and 20,593,343.07

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Solution

The fourth proportional to 66,647,452.73, 99,980,742.29 and 20,593,343.07 is: 30,892,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,647,452.73 : 99,980,742.29 = 20,593,343.07 : x
  2. Step 2: Convert to fraction form
    66,647,452.73/99,980,742.29 = 20,593,343.07/x
  3. Step 3: Cross multiply
    66,647,452.73x = 99,980,742.29 × 20,593,343.07
  4. Step 4: Simplify right side
    66,647,452.73x = 2,058,937,726,268,260.75
  5. Step 5: Solve for x
    x = 2,058,937,726,268,260.75/66,647,452.73
  6. Step 6: Final answer
    x = 30,892,969.53

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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.