Home / 278,131,699.82-416,880,187.31-112,028,891.33

Finding the Fourth Proportional to 278,131,699.82, 416,880,187.31 and 112,028,891.33

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Solution

The fourth proportional to 278,131,699.82, 416,880,187.31 and 112,028,891.33 is: 167,915,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,131,699.82 : 416,880,187.31 = 112,028,891.33 : x
  2. Step 2: Convert to fraction form
    278,131,699.82/416,880,187.31 = 112,028,891.33/x
  3. Step 3: Cross multiply
    278,131,699.82x = 416,880,187.31 × 112,028,891.33
  4. Step 4: Simplify right side
    278,131,699.82x = 46,702,625,203,104,304
  5. Step 5: Solve for x
    x = 46,702,625,203,104,304/278,131,699.82
  6. Step 6: Final answer
    x = 167,915,506.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.