Home / 136,800,212.22-188,783,436.02-74,074,983.68

Finding the Fourth Proportional to 136,800,212.22, 188,783,436.02 and 74,074,983.68

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Solution

The fourth proportional to 136,800,212.22, 188,783,436.02 and 74,074,983.68 is: 102,223,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,800,212.22 : 188,783,436.02 = 74,074,983.68 : x
  2. Step 2: Convert to fraction form
    136,800,212.22/188,783,436.02 = 74,074,983.68/x
  3. Step 3: Cross multiply
    136,800,212.22x = 188,783,436.02 × 74,074,983.68
  4. Step 4: Simplify right side
    136,800,212.22x = 13,984,129,942,235,826
  5. Step 5: Solve for x
    x = 13,984,129,942,235,826/136,800,212.22
  6. Step 6: Final answer
    x = 102,223,013.51

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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.