Home / 212,891,328,019.20-319,336,992,028.80-108,405,775,891.20

Finding the Fourth Proportional to 212,891,328,019.20, 319,336,992,028.80 and 108,405,775,891.20

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Solution

The fourth proportional to 212,891,328,019.20, 319,336,992,028.80 and 108,405,775,891.20 is: 162,608,663,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,891,328,019.20 : 319,336,992,028.80 = 108,405,775,891.20 : x
  2. Step 2: Convert to fraction form
    212,891,328,019.20/319,336,992,028.80 = 108,405,775,891.20/x
  3. Step 3: Cross multiply
    212,891,328,019.20x = 319,336,992,028.80 × 108,405,775,891.20
  4. Step 4: Simplify right side
    212,891,328,019.20x = 34,617,974,391,644,012,675,072
  5. Step 5: Solve for x
    x = 34,617,974,391,644,012,675,072/212,891,328,019.20
  6. Step 6: Final answer
    x = 162,608,663,836.80

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1.5x scale

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.