Home / 203,942,891,974.58-281,442,065,902.42-111,245,766,555.62

Finding the Fourth Proportional to 203,942,891,974.58, 281,442,065,902.42 and 111,245,766,555.62

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Solution

The fourth proportional to 203,942,891,974.58, 281,442,065,902.42 and 111,245,766,555.62 is: 153,519,635,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942,891,974.58 : 281,442,065,902.42 = 111,245,766,555.62 : x
  2. Step 2: Convert to fraction form
    203,942,891,974.58/281,442,065,902.42 = 111,245,766,555.62/x
  3. Step 3: Cross multiply
    203,942,891,974.58x = 281,442,065,902.42 × 111,245,766,555.62
  4. Step 4: Simplify right side
    203,942,891,974.58x = 31,309,238,362,312,030,552,064
  5. Step 5: Solve for x
    x = 31,309,238,362,312,030,552,064/203,942,891,974.58
  6. Step 6: Final answer
    x = 153,519,635,125.18

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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.