Home / 145,949,367,736.92-218,844,243,844.72-115,889,601,284.28

Finding the Fourth Proportional to 145,949,367,736.92, 218,844,243,844.72 and 115,889,601,284.28

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Solution

The fourth proportional to 145,949,367,736.92, 218,844,243,844.72 and 115,889,601,284.28 is: 173,771,031,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,949,367,736.92 : 218,844,243,844.72 = 115,889,601,284.28 : x
  2. Step 2: Convert to fraction form
    145,949,367,736.92/218,844,243,844.72 = 115,889,601,284.28/x
  3. Step 3: Cross multiply
    145,949,367,736.92x = 218,844,243,844.72 × 115,889,601,284.28
  4. Step 4: Simplify right side
    145,949,367,736.92x = 25,361,772,162,524,347,629,568
  5. Step 5: Solve for x
    x = 25,361,772,162,524,347,629,568/145,949,367,736.92
  6. Step 6: Final answer
    x = 173,771,031,391.11

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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.