Home / 213,014,151-319,717,619.04-108,043,170.12

Finding the Fourth Proportional to 213,014,151, 319,717,619.04 and 108,043,170.12

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Solution

The fourth proportional to 213,014,151, 319,717,619.04 and 108,043,170.12 is: 162,164,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,014,151 : 319,717,619.04 = 108,043,170.12 : x
  2. Step 2: Convert to fraction form
    213,014,151/319,717,619.04 = 108,043,170.12/x
  3. Step 3: Cross multiply
    213,014,151x = 319,717,619.04 × 108,043,170.12
  4. Step 4: Simplify right side
    213,014,151x = 34,543,305,104,300,076
  5. Step 5: Solve for x
    x = 34,543,305,104,300,076/213,014,151
  6. Step 6: Final answer
    x = 162,164,367.68

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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.