Home / 68,046,086.90-102,088,900.84-21,986,992.10

Finding the Fourth Proportional to 68,046,086.90, 102,088,900.84 and 21,986,992.10

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Solution

The fourth proportional to 68,046,086.90, 102,088,900.84 and 21,986,992.10 is: 32,986,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046,086.90 : 102,088,900.84 = 21,986,992.10 : x
  2. Step 2: Convert to fraction form
    68,046,086.90/102,088,900.84 = 21,986,992.10/x
  3. Step 3: Cross multiply
    68,046,086.90x = 102,088,900.84 × 21,986,992.10
  4. Step 4: Simplify right side
    68,046,086.90x = 2,244,627,856,266,763.50
  5. Step 5: Solve for x
    x = 2,244,627,856,266,763.50/68,046,086.90
  6. Step 6: Final answer
    x = 32,986,876.37

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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.