Home / 122,809,550.49-169,479,538.63-67,057,181.43

Finding the Fourth Proportional to 122,809,550.49, 169,479,538.63 and 67,057,181.43

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Solution

The fourth proportional to 122,809,550.49, 169,479,538.63 and 67,057,181.43 is: 92,540,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,809,550.49 : 169,479,538.63 = 67,057,181.43 : x
  2. Step 2: Convert to fraction form
    122,809,550.49/169,479,538.63 = 67,057,181.43/x
  3. Step 3: Cross multiply
    122,809,550.49x = 169,479,538.63 × 67,057,181.43
  4. Step 4: Simplify right side
    122,809,550.49x = 11,364,820,170,584,604
  5. Step 5: Solve for x
    x = 11,364,820,170,584,604/122,809,550.49
  6. Step 6: Final answer
    x = 92,540,198.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.