Home / 198,733,923.08-298,128,878.30-69,322,659.56

Finding the Fourth Proportional to 198,733,923.08, 298,128,878.30 and 69,322,659.56

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Solution

The fourth proportional to 198,733,923.08, 298,128,878.30 and 69,322,659.56 is: 103,993,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,733,923.08 : 298,128,878.30 = 69,322,659.56 : x
  2. Step 2: Convert to fraction form
    198,733,923.08/298,128,878.30 = 69,322,659.56/x
  3. Step 3: Cross multiply
    198,733,923.08x = 298,128,878.30 × 69,322,659.56
  4. Step 4: Simplify right side
    198,733,923.08x = 20,667,086,735,395,572
  5. Step 5: Solve for x
    x = 20,667,086,735,395,572/198,733,923.08
  6. Step 6: Final answer
    x = 103,993,754.14

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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.