Home / 68,679,940.20-103,019,910.30-17,565,959.40

Finding the Fourth Proportional to 68,679,940.20, 103,019,910.30 and 17,565,959.40

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Solution

The fourth proportional to 68,679,940.20, 103,019,910.30 and 17,565,959.40 is: 26,348,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,679,940.20 : 103,019,910.30 = 17,565,959.40 : x
  2. Step 2: Convert to fraction form
    68,679,940.20/103,019,910.30 = 17,565,959.40/x
  3. Step 3: Cross multiply
    68,679,940.20x = 103,019,910.30 × 17,565,959.40
  4. Step 4: Simplify right side
    68,679,940.20x = 1,809,643,561,721,441.50
  5. Step 5: Solve for x
    x = 1,809,643,561,721,441.50/68,679,940.20
  6. Step 6: Final answer
    x = 26,348,939.10

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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.