Home / 122,880,489.59-169,568,269.82-67,114,806.77

Finding the Fourth Proportional to 122,880,489.59, 169,568,269.82 and 67,114,806.77

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Solution

The fourth proportional to 122,880,489.59, 169,568,269.82 and 67,114,806.77 is: 92,614,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,880,489.59 : 169,568,269.82 = 67,114,806.77 : x
  2. Step 2: Convert to fraction form
    122,880,489.59/169,568,269.82 = 67,114,806.77/x
  3. Step 3: Cross multiply
    122,880,489.59x = 169,568,269.82 × 67,114,806.77
  4. Step 4: Simplify right side
    122,880,489.59x = 11,380,541,662,109,108
  5. Step 5: Solve for x
    x = 11,380,541,662,109,108/122,880,489.59
  6. Step 6: Final answer
    x = 92,614,716.14

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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.