Home / 213,953,578.29-320,914,670.24-68,348,044.58

Finding the Fourth Proportional to 213,953,578.29, 320,914,670.24 and 68,348,044.58

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Solution

The fourth proportional to 213,953,578.29, 320,914,670.24 and 68,348,044.58 is: 102,517,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,953,578.29 : 320,914,670.24 = 68,348,044.58 : x
  2. Step 2: Convert to fraction form
    213,953,578.29/320,914,670.24 = 68,348,044.58/x
  3. Step 3: Cross multiply
    213,953,578.29x = 320,914,670.24 × 68,348,044.58
  4. Step 4: Simplify right side
    213,953,578.29x = 21,933,890,185,993,208
  5. Step 5: Solve for x
    x = 21,933,890,185,993,208/213,953,578.29
  6. Step 6: Final answer
    x = 102,517,052.35

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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.