Home / 69,642,699.92-104,481,753.24-40,913,127.44

Finding the Fourth Proportional to 69,642,699.92, 104,481,753.24 and 40,913,127.44

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Solution

The fourth proportional to 69,642,699.92, 104,481,753.24 and 40,913,127.44 is: 61,380,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,642,699.92 : 104,481,753.24 = 40,913,127.44 : x
  2. Step 2: Convert to fraction form
    69,642,699.92/104,481,753.24 = 40,913,127.44/x
  3. Step 3: Cross multiply
    69,642,699.92x = 104,481,753.24 × 40,913,127.44
  4. Step 4: Simplify right side
    69,642,699.92x = 4,274,675,285,462,752.50
  5. Step 5: Solve for x
    x = 4,274,675,285,462,752.50/69,642,699.92
  6. Step 6: Final answer
    x = 61,380,091.39

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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.