Home / 81,649,358.20-122,474,037.30-27,796,670.20

Finding the Fourth Proportional to 81,649,358.20, 122,474,037.30 and 27,796,670.20

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Solution

The fourth proportional to 81,649,358.20, 122,474,037.30 and 27,796,670.20 is: 41,695,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,649,358.20 : 122,474,037.30 = 27,796,670.20 : x
  2. Step 2: Convert to fraction form
    81,649,358.20/122,474,037.30 = 27,796,670.20/x
  3. Step 3: Cross multiply
    81,649,358.20x = 122,474,037.30 × 27,796,670.20
  4. Step 4: Simplify right side
    81,649,358.20x = 3,404,370,422,890,598.50
  5. Step 5: Solve for x
    x = 3,404,370,422,890,598.50/81,649,358.20
  6. Step 6: Final answer
    x = 41,695,005.30

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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.