Home / 109,042,920.80-163,653,610.80-108,192,615.20

Finding the Fourth Proportional to 109,042,920.80, 163,653,610.80 and 108,192,615.20

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Solution

The fourth proportional to 109,042,920.80, 163,653,610.80 and 108,192,615.20 is: 162,377,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042,920.80 : 163,653,610.80 = 108,192,615.20 : x
  2. Step 2: Convert to fraction form
    109,042,920.80/163,653,610.80 = 108,192,615.20/x
  3. Step 3: Cross multiply
    109,042,920.80x = 163,653,610.80 × 108,192,615.20
  4. Step 4: Simplify right side
    109,042,920.80x = 17,706,112,139,374,966
  5. Step 5: Solve for x
    x = 17,706,112,139,374,966/109,042,920.80
  6. Step 6: Final answer
    x = 162,377,456.60

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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.