Home / 68,037,873.36-102,028,433.56-21,339,327.54

Finding the Fourth Proportional to 68,037,873.36, 102,028,433.56 and 21,339,327.54

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Solution

The fourth proportional to 68,037,873.36, 102,028,433.56 and 21,339,327.54 is: 32,000,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,037,873.36 : 102,028,433.56 = 21,339,327.54 : x
  2. Step 2: Convert to fraction form
    68,037,873.36/102,028,433.56 = 21,339,327.54/x
  3. Step 3: Cross multiply
    68,037,873.36x = 102,028,433.56 × 21,339,327.54
  4. Step 4: Simplify right side
    68,037,873.36x = 2,177,218,162,129,968.25
  5. Step 5: Solve for x
    x = 2,177,218,162,129,968.25/68,037,873.36
  6. Step 6: Final answer
    x = 32,000,091.34

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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.