Home / 203,942,892,325.65-281,442,066,386.78-111,245,766,906.48

Finding the Fourth Proportional to 203,942,892,325.65, 281,442,066,386.78 and 111,245,766,906.48

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Solution

The fourth proportional to 203,942,892,325.65, 281,442,066,386.78 and 111,245,766,906.48 is: 153,519,635,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942,892,325.65 : 281,442,066,386.78 = 111,245,766,906.48 : x
  2. Step 2: Convert to fraction form
    203,942,892,325.65/281,442,066,386.78 = 111,245,766,906.48/x
  3. Step 3: Cross multiply
    203,942,892,325.65x = 281,442,066,386.78 × 111,245,766,906.48
  4. Step 4: Simplify right side
    203,942,892,325.65x = 31,309,238,514,941,801,005,056
  5. Step 5: Solve for x
    x = 31,309,238,514,941,801,005,056/203,942,892,325.65
  6. Step 6: Final answer
    x = 153,519,635,609.31

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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.