Home / 198,733,922.08-298,128,876.80-69,322,658.56

Finding the Fourth Proportional to 198,733,922.08, 298,128,876.80 and 69,322,658.56

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Solution

The fourth proportional to 198,733,922.08, 298,128,876.80 and 69,322,658.56 is: 103,993,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,733,922.08 : 298,128,876.80 = 69,322,658.56 : x
  2. Step 2: Convert to fraction form
    198,733,922.08/298,128,876.80 = 69,322,658.56/x
  3. Step 3: Cross multiply
    198,733,922.08x = 298,128,876.80 × 69,322,658.56
  4. Step 4: Simplify right side
    198,733,922.08x = 20,667,086,333,282,708
  5. Step 5: Solve for x
    x = 20,667,086,333,282,708/198,733,922.08
  6. Step 6: Final answer
    x = 103,993,752.64

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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.