Home / 122,525,220.82-169,079,884.88-66,769,452.87

Finding the Fourth Proportional to 122,525,220.82, 169,079,884.88 and 66,769,452.87

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Solution

The fourth proportional to 122,525,220.82, 169,079,884.88 and 66,769,452.87 is: 92,139,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,525,220.82 : 169,079,884.88 = 66,769,452.87 : x
  2. Step 2: Convert to fraction form
    122,525,220.82/169,079,884.88 = 66,769,452.87/x
  3. Step 3: Cross multiply
    122,525,220.82x = 169,079,884.88 × 66,769,452.87
  4. Step 4: Simplify right side
    122,525,220.82x = 11,289,371,404,760,184
  5. Step 5: Solve for x
    x = 11,289,371,404,760,184/122,525,220.82
  6. Step 6: Final answer
    x = 92,139,163.91

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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.