Home / 68,096,446.20-102,144,669.30-61,825,879.80

Finding the Fourth Proportional to 68,096,446.20, 102,144,669.30 and 61,825,879.80

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Solution

The fourth proportional to 68,096,446.20, 102,144,669.30 and 61,825,879.80 is: 92,738,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,446.20 : 102,144,669.30 = 61,825,879.80 : x
  2. Step 2: Convert to fraction form
    68,096,446.20/102,144,669.30 = 61,825,879.80/x
  3. Step 3: Cross multiply
    68,096,446.20x = 102,144,669.30 × 61,825,879.80
  4. Step 4: Simplify right side
    68,096,446.20x = 6,315,184,046,352,550
  5. Step 5: Solve for x
    x = 6,315,184,046,352,550/68,096,446.20
  6. Step 6: Final answer
    x = 92,738,819.70

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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.