Home / 136,064,163.72-187,763,137.92-80,327,539.20

Finding the Fourth Proportional to 136,064,163.72, 187,763,137.92 and 80,327,539.20

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Solution

The fourth proportional to 136,064,163.72, 187,763,137.92 and 80,327,539.20 is: 110,848,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,064,163.72 : 187,763,137.92 = 80,327,539.20 : x
  2. Step 2: Convert to fraction form
    136,064,163.72/187,763,137.92 = 80,327,539.20/x
  3. Step 3: Cross multiply
    136,064,163.72x = 187,763,137.92 × 80,327,539.20
  4. Step 4: Simplify right side
    136,064,163.72x = 15,082,550,821,583,806
  5. Step 5: Solve for x
    x = 15,082,550,821,583,806/136,064,163.72
  6. Step 6: Final answer
    x = 110,848,811.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.