Home / 198,400,997.81-273,389,944.19-153,474,148.35

Finding the Fourth Proportional to 198,400,997.81, 273,389,944.19 and 153,474,148.35

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Solution

The fourth proportional to 198,400,997.81, 273,389,944.19 and 153,474,148.35 is: 211,482,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,400,997.81 : 273,389,944.19 = 153,474,148.35 : x
  2. Step 2: Convert to fraction form
    198,400,997.81/273,389,944.19 = 153,474,148.35/x
  3. Step 3: Cross multiply
    198,400,997.81x = 273,389,944.19 × 153,474,148.35
  4. Step 4: Simplify right side
    198,400,997.81x = 41,958,288,851,246,912
  5. Step 5: Solve for x
    x = 41,958,288,851,246,912/198,400,997.81
  6. Step 6: Final answer
    x = 211,482,247.14

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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.