Home / 212,646,913.20-318,592,456.20-182,413,825.20

Finding the Fourth Proportional to 212,646,913.20, 318,592,456.20 and 182,413,825.20

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Solution

The fourth proportional to 212,646,913.20, 318,592,456.20 and 182,413,825.20 is: 273,296,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,646,913.20 : 318,592,456.20 = 182,413,825.20 : x
  2. Step 2: Convert to fraction form
    212,646,913.20/318,592,456.20 = 182,413,825.20/x
  3. Step 3: Cross multiply
    212,646,913.20x = 318,592,456.20 × 182,413,825.20
  4. Step 4: Simplify right side
    212,646,913.20x = 58,115,668,615,305,448
  5. Step 5: Solve for x
    x = 58,115,668,615,305,448/212,646,913.20
  6. Step 6: Final answer
    x = 273,296,554.09

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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.