Home / 69,448,288.42-104,162,292.08-20,250,921.32

Finding the Fourth Proportional to 69,448,288.42, 104,162,292.08 and 20,250,921.32

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Solution

The fourth proportional to 69,448,288.42, 104,162,292.08 and 20,250,921.32 is: 30,373,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,448,288.42 : 104,162,292.08 = 20,250,921.32 : x
  2. Step 2: Convert to fraction form
    69,448,288.42/104,162,292.08 = 20,250,921.32/x
  3. Step 3: Cross multiply
    69,448,288.42x = 104,162,292.08 × 20,250,921.32
  4. Step 4: Simplify right side
    69,448,288.42x = 2,109,382,381,422,939.25
  5. Step 5: Solve for x
    x = 2,109,382,381,422,939.25/69,448,288.42
  6. Step 6: Final answer
    x = 30,373,425.02

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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.