Home / 120,784,083.32-166,686,753.96-68,577,976.69

Finding the Fourth Proportional to 120,784,083.32, 166,686,753.96 and 68,577,976.69

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Solution

The fourth proportional to 120,784,083.32, 166,686,753.96 and 68,577,976.69 is: 94,640,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,784,083.32 : 166,686,753.96 = 68,577,976.69 : x
  2. Step 2: Convert to fraction form
    120,784,083.32/166,686,753.96 = 68,577,976.69/x
  3. Step 3: Cross multiply
    120,784,083.32x = 166,686,753.96 × 68,577,976.69
  4. Step 4: Simplify right side
    120,784,083.32x = 11,431,040,327,183,928
  5. Step 5: Solve for x
    x = 11,431,040,327,183,928/120,784,083.32
  6. Step 6: Final answer
    x = 94,640,287.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.