Home / 203,108,997.50-304,450,879.03-85,001,431.58

Finding the Fourth Proportional to 203,108,997.50, 304,450,879.03 and 85,001,431.58

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Solution

The fourth proportional to 203,108,997.50, 304,450,879.03 and 85,001,431.58 is: 127,413,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,108,997.50 : 304,450,879.03 = 85,001,431.58 : x
  2. Step 2: Convert to fraction form
    203,108,997.50/304,450,879.03 = 85,001,431.58/x
  3. Step 3: Cross multiply
    203,108,997.50x = 304,450,879.03 × 85,001,431.58
  4. Step 4: Simplify right side
    203,108,997.50x = 25,878,760,563,339,400
  5. Step 5: Solve for x
    x = 25,878,760,563,339,400/203,108,997.50
  6. Step 6: Final answer
    x = 127,413,166.73

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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.