Home / 58,206,816.20-87,318,000.30-19,858,694.60

Finding the Fourth Proportional to 58,206,816.20, 87,318,000.30 and 19,858,694.60

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Solution

The fourth proportional to 58,206,816.20, 87,318,000.30 and 19,858,694.60 is: 29,790,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,206,816.20 : 87,318,000.30 = 19,858,694.60 : x
  2. Step 2: Convert to fraction form
    58,206,816.20/87,318,000.30 = 19,858,694.60/x
  3. Step 3: Cross multiply
    58,206,816.20x = 87,318,000.30 × 19,858,694.60
  4. Step 4: Simplify right side
    58,206,816.20x = 1,734,021,501,040,408.50
  5. Step 5: Solve for x
    x = 1,734,021,501,040,408.50/58,206,816.20
  6. Step 6: Final answer
    x = 29,790,694.87

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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.