Home / 112,211,836.16-154,826,021.92-68,157,608

Finding the Fourth Proportional to 112,211,836.16, 154,826,021.92 and 68,157,608

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Solution

The fourth proportional to 112,211,836.16, 154,826,021.92 and 68,157,608 is: 94,041,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,836.16 : 154,826,021.92 = 68,157,608 : x
  2. Step 2: Convert to fraction form
    112,211,836.16/154,826,021.92 = 68,157,608/x
  3. Step 3: Cross multiply
    112,211,836.16x = 154,826,021.92 × 68,157,608
  4. Step 4: Simplify right side
    112,211,836.16x = 10,552,571,310,222,766
  5. Step 5: Solve for x
    x = 10,552,571,310,222,766/112,211,836.16
  6. Step 6: Final answer
    x = 94,041,517.11

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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.