Home / 43,446,393.36-65,070,387.72-20,743,233.84

Finding the Fourth Proportional to 43,446,393.36, 65,070,387.72 and 20,743,233.84

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Solution

The fourth proportional to 43,446,393.36, 65,070,387.72 and 20,743,233.84 is: 31,067,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,446,393.36 : 65,070,387.72 = 20,743,233.84 : x
  2. Step 2: Convert to fraction form
    43,446,393.36/65,070,387.72 = 20,743,233.84/x
  3. Step 3: Cross multiply
    43,446,393.36x = 65,070,387.72 × 20,743,233.84
  4. Step 4: Simplify right side
    43,446,393.36x = 1,349,770,268,535,424.50
  5. Step 5: Solve for x
    x = 1,349,770,268,535,424.50/43,446,393.36
  6. Step 6: Final answer
    x = 31,067,487.18

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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.