Home / 57,474,271.72-86,222,764.58-21,082,999.96

Finding the Fourth Proportional to 57,474,271.72, 86,222,764.58 and 21,082,999.96

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Solution

The fourth proportional to 57,474,271.72, 86,222,764.58 and 21,082,999.96 is: 31,628,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,271.72 : 86,222,764.58 = 21,082,999.96 : x
  2. Step 2: Convert to fraction form
    57,474,271.72/86,222,764.58 = 21,082,999.96/x
  3. Step 3: Cross multiply
    57,474,271.72x = 86,222,764.58 × 21,082,999.96
  4. Step 4: Simplify right side
    57,474,271.72x = 1,817,834,542,191,229.50
  5. Step 5: Solve for x
    x = 1,817,834,542,191,229.50/57,474,271.72
  6. Step 6: Final answer
    x = 31,628,665.97

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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.