Home / 68,492,323.22-102,728,104.20-18,641,028.90

Finding the Fourth Proportional to 68,492,323.22, 102,728,104.20 and 18,641,028.90

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Solution

The fourth proportional to 68,492,323.22, 102,728,104.20 and 18,641,028.90 is: 27,958,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492,323.22 : 102,728,104.20 = 18,641,028.90 : x
  2. Step 2: Convert to fraction form
    68,492,323.22/102,728,104.20 = 18,641,028.90/x
  3. Step 3: Cross multiply
    68,492,323.22x = 102,728,104.20 × 18,641,028.90
  4. Step 4: Simplify right side
    68,492,323.22x = 1,914,957,559,234,411.25
  5. Step 5: Solve for x
    x = 1,914,957,559,234,411.25/68,492,323.22
  6. Step 6: Final answer
    x = 27,958,718.13

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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.