Home / 266,949,009.78-400,277,219.31-82,665,324.48

Finding the Fourth Proportional to 266,949,009.78, 400,277,219.31 and 82,665,324.48

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Solution

The fourth proportional to 266,949,009.78, 400,277,219.31 and 82,665,324.48 is: 123,952,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,949,009.78 : 400,277,219.31 = 82,665,324.48 : x
  2. Step 2: Convert to fraction form
    266,949,009.78/400,277,219.31 = 82,665,324.48/x
  3. Step 3: Cross multiply
    266,949,009.78x = 400,277,219.31 × 82,665,324.48
  4. Step 4: Simplify right side
    266,949,009.78x = 33,089,046,216,213,272
  5. Step 5: Solve for x
    x = 33,089,046,216,213,272/266,949,009.78
  6. Step 6: Final answer
    x = 123,952,683.86

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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.