Home / 203,965,426.08-281,470,729.68-111,145,646.88

Finding the Fourth Proportional to 203,965,426.08, 281,470,729.68 and 111,145,646.88

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Solution

The fourth proportional to 203,965,426.08, 281,470,729.68 and 111,145,646.88 is: 153,380,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,965,426.08 : 281,470,729.68 = 111,145,646.88 : x
  2. Step 2: Convert to fraction form
    203,965,426.08/281,470,729.68 = 111,145,646.88/x
  3. Step 3: Cross multiply
    203,965,426.08x = 281,470,729.68 × 111,145,646.88
  4. Step 4: Simplify right side
    203,965,426.08x = 31,284,246,328,069,216
  5. Step 5: Solve for x
    x = 31,284,246,328,069,216/203,965,426.08
  6. Step 6: Final answer
    x = 153,380,143.53

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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.