Home / 109,654,412.20-164,481,618.30-106,465,766.20

Finding the Fourth Proportional to 109,654,412.20, 164,481,618.30 and 106,465,766.20

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Solution

The fourth proportional to 109,654,412.20, 164,481,618.30 and 106,465,766.20 is: 159,698,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,654,412.20 : 164,481,618.30 = 106,465,766.20 : x
  2. Step 2: Convert to fraction form
    109,654,412.20/164,481,618.30 = 106,465,766.20/x
  3. Step 3: Cross multiply
    109,654,412.20x = 164,481,618.30 × 106,465,766.20
  4. Step 4: Simplify right side
    109,654,412.20x = 17,511,661,518,125,444
  5. Step 5: Solve for x
    x = 17,511,661,518,125,444/109,654,412.20
  6. Step 6: Final answer
    x = 159,698,649.30

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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.