Home / 68,315,005-102,472,382.90-22,256,819.62

Finding the Fourth Proportional to 68,315,005, 102,472,382.90 and 22,256,819.62

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Solution

The fourth proportional to 68,315,005, 102,472,382.90 and 22,256,819.62 is: 33,385,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,315,005 : 102,472,382.90 = 22,256,819.62 : x
  2. Step 2: Convert to fraction form
    68,315,005/102,472,382.90 = 22,256,819.62/x
  3. Step 3: Cross multiply
    68,315,005x = 102,472,382.90 × 22,256,819.62
  4. Step 4: Simplify right side
    68,315,005x = 2,280,709,342,236,872.50
  5. Step 5: Solve for x
    x = 2,280,709,342,236,872.50/68,315,005
  6. Step 6: Final answer
    x = 33,385,188.84

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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.