Home / 55,012,100.94-82,520,892.45-20,936,087.82

Finding the Fourth Proportional to 55,012,100.94, 82,520,892.45 and 20,936,087.82

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Solution

The fourth proportional to 55,012,100.94, 82,520,892.45 and 20,936,087.82 is: 31,405,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,100.94 : 82,520,892.45 = 20,936,087.82 : x
  2. Step 2: Convert to fraction form
    55,012,100.94/82,520,892.45 = 20,936,087.82/x
  3. Step 3: Cross multiply
    55,012,100.94x = 82,520,892.45 × 20,936,087.82
  4. Step 4: Simplify right side
    55,012,100.94x = 1,727,664,651,317,975
  5. Step 5: Solve for x
    x = 1,727,664,651,317,975/55,012,100.94
  6. Step 6: Final answer
    x = 31,405,174.89

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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.