Home / 212,872,022.20-319,308,033.30-166,955,519.80

Finding the Fourth Proportional to 212,872,022.20, 319,308,033.30 and 166,955,519.80

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Solution

The fourth proportional to 212,872,022.20, 319,308,033.30 and 166,955,519.80 is: 250,433,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,872,022.20 : 319,308,033.30 = 166,955,519.80 : x
  2. Step 2: Convert to fraction form
    212,872,022.20/319,308,033.30 = 166,955,519.80/x
  3. Step 3: Cross multiply
    212,872,022.20x = 319,308,033.30 × 166,955,519.80
  4. Step 4: Simplify right side
    212,872,022.20x = 53,310,238,675,917,216
  5. Step 5: Solve for x
    x = 53,310,238,675,917,216/212,872,022.20
  6. Step 6: Final answer
    x = 250,433,279.70

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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.