Home / 215,093,785.32-322,640,185.92-92,192,411.64

Finding the Fourth Proportional to 215,093,785.32, 322,640,185.92 and 92,192,411.64

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Solution

The fourth proportional to 215,093,785.32, 322,640,185.92 and 92,192,411.64 is: 138,288,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,093,785.32 : 322,640,185.92 = 92,192,411.64 : x
  2. Step 2: Convert to fraction form
    215,093,785.32/322,640,185.92 = 92,192,411.64/x
  3. Step 3: Cross multiply
    215,093,785.32x = 322,640,185.92 × 92,192,411.64
  4. Step 4: Simplify right side
    215,093,785.32x = 29,744,976,831,942,772
  5. Step 5: Solve for x
    x = 29,744,976,831,942,772/215,093,785.32
  6. Step 6: Final answer
    x = 138,288,406.56

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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.