Home / 69,770,064-104,647,110.57-18,656,068.62

Finding the Fourth Proportional to 69,770,064, 104,647,110.57 and 18,656,068.62

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Solution

The fourth proportional to 69,770,064, 104,647,110.57 and 18,656,068.62 is: 27,981,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770,064 : 104,647,110.57 = 18,656,068.62 : x
  2. Step 2: Convert to fraction form
    69,770,064/104,647,110.57 = 18,656,068.62/x
  3. Step 3: Cross multiply
    69,770,064x = 104,647,110.57 × 18,656,068.62
  4. Step 4: Simplify right side
    69,770,064x = 1,952,303,675,678,647.25
  5. Step 5: Solve for x
    x = 1,952,303,675,678,647.25/69,770,064
  6. Step 6: Final answer
    x = 27,981,967.68

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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.