Home / 122,809,549.49-169,479,537.25-67,057,180.43

Finding the Fourth Proportional to 122,809,549.49, 169,479,537.25 and 67,057,180.43

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Solution

The fourth proportional to 122,809,549.49, 169,479,537.25 and 67,057,180.43 is: 92,540,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,809,549.49 : 169,479,537.25 = 67,057,180.43 : x
  2. Step 2: Convert to fraction form
    122,809,549.49/169,479,537.25 = 67,057,180.43/x
  3. Step 3: Cross multiply
    122,809,549.49x = 169,479,537.25 × 67,057,180.43
  4. Step 4: Simplify right side
    122,809,549.49x = 11,364,819,909,389,052
  5. Step 5: Solve for x
    x = 11,364,819,909,389,052/122,809,549.49
  6. Step 6: Final answer
    x = 92,540,197.05

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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.