Home / 163,310,948.20-244,966,422.30-81,681,610.60

Finding the Fourth Proportional to 163,310,948.20, 244,966,422.30 and 81,681,610.60

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Solution

The fourth proportional to 163,310,948.20, 244,966,422.30 and 81,681,610.60 is: 122,522,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,310,948.20 : 244,966,422.30 = 81,681,610.60 : x
  2. Step 2: Convert to fraction form
    163,310,948.20/244,966,422.30 = 81,681,610.60/x
  3. Step 3: Cross multiply
    163,310,948.20x = 244,966,422.30 × 81,681,610.60
  4. Step 4: Simplify right side
    163,310,948.20x = 20,009,251,916,383,756
  5. Step 5: Solve for x
    x = 20,009,251,916,383,756/163,310,948.20
  6. Step 6: Final answer
    x = 122,522,415.90

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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.