Home / 68,096,998.20-102,145,497.30-61,826,431.80

Finding the Fourth Proportional to 68,096,998.20, 102,145,497.30 and 61,826,431.80

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Solution

The fourth proportional to 68,096,998.20, 102,145,497.30 and 61,826,431.80 is: 92,739,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,998.20 : 102,145,497.30 = 61,826,431.80 : x
  2. Step 2: Convert to fraction form
    68,096,998.20/102,145,497.30 = 61,826,431.80/x
  3. Step 3: Cross multiply
    68,096,998.20x = 102,145,497.30 × 61,826,431.80
  4. Step 4: Simplify right side
    68,096,998.20x = 6,315,291,622,495,534
  5. Step 5: Solve for x
    x = 6,315,291,622,495,534/68,096,998.20
  6. Step 6: Final answer
    x = 92,739,647.70

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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.