Home / 203,942,891,971.82-281,442,065,898.63-111,245,766,552.87

Finding the Fourth Proportional to 203,942,891,971.82, 281,442,065,898.63 and 111,245,766,552.87

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Solution

The fourth proportional to 203,942,891,971.82, 281,442,065,898.63 and 111,245,766,552.87 is: 153,519,635,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942,891,971.82 : 281,442,065,898.63 = 111,245,766,552.87 : x
  2. Step 2: Convert to fraction form
    203,942,891,971.82/281,442,065,898.63 = 111,245,766,552.87/x
  3. Step 3: Cross multiply
    203,942,891,971.82x = 281,442,065,898.63 × 111,245,766,552.87
  4. Step 4: Simplify right side
    203,942,891,971.82x = 31,309,238,361,116,448,391,168
  5. Step 5: Solve for x
    x = 31,309,238,361,116,448,391,168/203,942,891,971.82
  6. Step 6: Final answer
    x = 153,519,635,121.40

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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.