Home / 68,198,535.20-102,285,478.96-19,664,456.24

Finding the Fourth Proportional to 68,198,535.20, 102,285,478.96 and 19,664,456.24

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Solution

The fourth proportional to 68,198,535.20, 102,285,478.96 and 19,664,456.24 is: 29,493,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,198,535.20 : 102,285,478.96 = 19,664,456.24 : x
  2. Step 2: Convert to fraction form
    68,198,535.20/102,285,478.96 = 19,664,456.24/x
  3. Step 3: Cross multiply
    68,198,535.20x = 102,285,478.96 × 19,664,456.24
  4. Step 4: Simplify right side
    68,198,535.20x = 2,011,388,324,996,360.50
  5. Step 5: Solve for x
    x = 2,011,388,324,996,360.50/68,198,535.20
  6. Step 6: Final answer
    x = 29,493,130.89

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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.