Home / 212,981,257.48-319,507,203.32-74,770,992.04

Finding the Fourth Proportional to 212,981,257.48, 319,507,203.32 and 74,770,992.04

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Solution

The fourth proportional to 212,981,257.48, 319,507,203.32 and 74,770,992.04 is: 112,168,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,981,257.48 : 319,507,203.32 = 74,770,992.04 : x
  2. Step 2: Convert to fraction form
    212,981,257.48/319,507,203.32 = 74,770,992.04/x
  3. Step 3: Cross multiply
    212,981,257.48x = 319,507,203.32 × 74,770,992.04
  4. Step 4: Simplify right side
    212,981,257.48x = 23,889,870,556,162,384
  5. Step 5: Solve for x
    x = 23,889,870,556,162,384/212,981,257.48
  6. Step 6: Final answer
    x = 112,168,886.78

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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.