Home / 201,852,370.88-278,556,383.76-109,032,879.20

Finding the Fourth Proportional to 201,852,370.88, 278,556,383.76 and 109,032,879.20

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Solution

The fourth proportional to 201,852,370.88, 278,556,383.76 and 109,032,879.20 is: 150,465,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,370.88 : 278,556,383.76 = 109,032,879.20 : x
  2. Step 2: Convert to fraction form
    201,852,370.88/278,556,383.76 = 109,032,879.20/x
  3. Step 3: Cross multiply
    201,852,370.88x = 278,556,383.76 × 109,032,879.20
  4. Step 4: Simplify right side
    201,852,370.88x = 30,371,804,540,892,920
  5. Step 5: Solve for x
    x = 30,371,804,540,892,920/201,852,370.88
  6. Step 6: Final answer
    x = 150,465,433.76

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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.