Home / 196,101,163.80-294,151,745.70-165,490,162.20

Finding the Fourth Proportional to 196,101,163.80, 294,151,745.70 and 165,490,162.20

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Solution

The fourth proportional to 196,101,163.80, 294,151,745.70 and 165,490,162.20 is: 248,235,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,101,163.80 : 294,151,745.70 = 165,490,162.20 : x
  2. Step 2: Convert to fraction form
    196,101,163.80/294,151,745.70 = 165,490,162.20/x
  3. Step 3: Cross multiply
    196,101,163.80x = 294,151,745.70 × 165,490,162.20
  4. Step 4: Simplify right side
    196,101,163.80x = 48,679,220,107,306,144
  5. Step 5: Solve for x
    x = 48,679,220,107,306,144/196,101,163.80
  6. Step 6: Final answer
    x = 248,235,243.30

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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.