Home / 213,044,473.96-319,284,198.36-109,409,493.15

Finding the Fourth Proportional to 213,044,473.96, 319,284,198.36 and 109,409,493.15

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Solution

The fourth proportional to 213,044,473.96, 319,284,198.36 and 109,409,493.15 is: 163,969,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,044,473.96 : 319,284,198.36 = 109,409,493.15 : x
  2. Step 2: Convert to fraction form
    213,044,473.96/319,284,198.36 = 109,409,493.15/x
  3. Step 3: Cross multiply
    213,044,473.96x = 319,284,198.36 × 109,409,493.15
  4. Step 4: Simplify right side
    213,044,473.96x = 34,932,722,313,371,664
  5. Step 5: Solve for x
    x = 34,932,722,313,371,664/213,044,473.96
  6. Step 6: Final answer
    x = 163,969,154.72

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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.