Home / 276,796,163.40-414,910,809.90-161,721,472.20

Finding the Fourth Proportional to 276,796,163.40, 414,910,809.90 and 161,721,472.20

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Solution

The fourth proportional to 276,796,163.40, 414,910,809.90 and 161,721,472.20 is: 242,416,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,796,163.40 : 414,910,809.90 = 161,721,472.20 : x
  2. Step 2: Convert to fraction form
    276,796,163.40/414,910,809.90 = 161,721,472.20/x
  3. Step 3: Cross multiply
    276,796,163.40x = 414,910,809.90 × 161,721,472.20
  4. Step 4: Simplify right side
    276,796,163.40x = 67,099,987,008,722,328
  5. Step 5: Solve for x
    x = 67,099,987,008,722,328/276,796,163.40
  6. Step 6: Final answer
    x = 242,416,607.89

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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.