Home / 55,012,103.44-82,520,896.20-20,936,090.32

Finding the Fourth Proportional to 55,012,103.44, 82,520,896.20 and 20,936,090.32

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Solution

The fourth proportional to 55,012,103.44, 82,520,896.20 and 20,936,090.32 is: 31,405,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,103.44 : 82,520,896.20 = 20,936,090.32 : x
  2. Step 2: Convert to fraction form
    55,012,103.44/82,520,896.20 = 20,936,090.32/x
  3. Step 3: Cross multiply
    55,012,103.44x = 82,520,896.20 × 20,936,090.32
  4. Step 4: Simplify right side
    55,012,103.44x = 1,727,664,936,130,544.75
  5. Step 5: Solve for x
    x = 1,727,664,936,130,544.75/55,012,103.44
  6. Step 6: Final answer
    x = 31,405,178.64

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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.