Home / 55,012,107-82,520,901.54-20,936,093.88

Finding the Fourth Proportional to 55,012,107, 82,520,901.54 and 20,936,093.88

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Solution

The fourth proportional to 55,012,107, 82,520,901.54 and 20,936,093.88 is: 31,405,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,107 : 82,520,901.54 = 20,936,093.88 : x
  2. Step 2: Convert to fraction form
    55,012,107/82,520,901.54 = 20,936,093.88/x
  3. Step 3: Cross multiply
    55,012,107x = 82,520,901.54 × 20,936,093.88
  4. Step 4: Simplify right side
    55,012,107x = 1,727,665,341,703,676.75
  5. Step 5: Solve for x
    x = 1,727,665,341,703,676.75/55,012,107
  6. Step 6: Final answer
    x = 31,405,183.98

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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.