Home / 68,919,233.80-103,378,850.70-43,410,065.80

Finding the Fourth Proportional to 68,919,233.80, 103,378,850.70 and 43,410,065.80

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Solution

The fourth proportional to 68,919,233.80, 103,378,850.70 and 43,410,065.80 is: 65,115,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,919,233.80 : 103,378,850.70 = 43,410,065.80 : x
  2. Step 2: Convert to fraction form
    68,919,233.80/103,378,850.70 = 43,410,065.80/x
  3. Step 3: Cross multiply
    68,919,233.80x = 103,378,850.70 × 43,410,065.80
  4. Step 4: Simplify right side
    68,919,233.80x = 4,487,682,711,215,376
  5. Step 5: Solve for x
    x = 4,487,682,711,215,376/68,919,233.80
  6. Step 6: Final answer
    x = 65,115,098.70

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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.