Home / 401,734,131.92-554,390,873.97-225,522,080.69

Finding the Fourth Proportional to 401,734,131.92, 554,390,873.97 and 225,522,080.69

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Solution

The fourth proportional to 401,734,131.92, 554,390,873.97 and 225,522,080.69 is: 311,219,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,734,131.92 : 554,390,873.97 = 225,522,080.69 : x
  2. Step 2: Convert to fraction form
    401,734,131.92/554,390,873.97 = 225,522,080.69/x
  3. Step 3: Cross multiply
    401,734,131.92x = 554,390,873.97 × 225,522,080.69
  4. Step 4: Simplify right side
    401,734,131.92x = 125,027,383,410,490,016
  5. Step 5: Solve for x
    x = 125,027,383,410,490,016/401,734,131.92
  6. Step 6: Final answer
    x = 311,219,220.57

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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.