Home / 203,942,891,975.08-281,442,065,903.11-111,245,766,556.12

Finding the Fourth Proportional to 203,942,891,975.08, 281,442,065,903.11 and 111,245,766,556.12

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Solution

The fourth proportional to 203,942,891,975.08, 281,442,065,903.11 and 111,245,766,556.12 is: 153,519,635,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942,891,975.08 : 281,442,065,903.11 = 111,245,766,556.12 : x
  2. Step 2: Convert to fraction form
    203,942,891,975.08/281,442,065,903.11 = 111,245,766,556.12/x
  3. Step 3: Cross multiply
    203,942,891,975.08x = 281,442,065,903.11 × 111,245,766,556.12
  4. Step 4: Simplify right side
    203,942,891,975.08x = 31,309,238,362,529,513,603,072
  5. Step 5: Solve for x
    x = 31,309,238,362,529,513,603,072/203,942,891,975.08
  6. Step 6: Final answer
    x = 153,519,635,125.87

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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.