Home / 55,012,114.56-82,520,912.90-20,936,101.44

Finding the Fourth Proportional to 55,012,114.56, 82,520,912.90 and 20,936,101.44

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Solution

The fourth proportional to 55,012,114.56, 82,520,912.90 and 20,936,101.44 is: 31,405,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,114.56 : 82,520,912.90 = 20,936,101.44 : x
  2. Step 2: Convert to fraction form
    55,012,114.56/82,520,912.90 = 20,936,101.44/x
  3. Step 3: Cross multiply
    55,012,114.56x = 82,520,912.90 × 20,936,101.44
  4. Step 4: Simplify right side
    55,012,114.56x = 1,727,666,203,395,804.75
  5. Step 5: Solve for x
    x = 1,727,666,203,395,804.75/55,012,114.56
  6. Step 6: Final answer
    x = 31,405,195.33

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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.