Home / 120,783,949.29-166,686,568.34-68,577,842.25

Finding the Fourth Proportional to 120,783,949.29, 166,686,568.34 and 68,577,842.25

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Solution

The fourth proportional to 120,783,949.29, 166,686,568.34 and 68,577,842.25 is: 94,640,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,783,949.29 : 166,686,568.34 = 68,577,842.25 : x
  2. Step 2: Convert to fraction form
    120,783,949.29/166,686,568.34 = 68,577,842.25/x
  3. Step 3: Cross multiply
    120,783,949.29x = 166,686,568.34 × 68,577,842.25
  4. Step 4: Simplify right side
    120,783,949.29x = 11,431,005,188,471,476
  5. Step 5: Solve for x
    x = 11,431,005,188,471,476/120,783,949.29
  6. Step 6: Final answer
    x = 94,640,101.24

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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.