Home / 137,188,906.54-205,823,784.98-55,265,628.85

Finding the Fourth Proportional to 137,188,906.54, 205,823,784.98 and 55,265,628.85

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Solution

The fourth proportional to 137,188,906.54, 205,823,784.98 and 55,265,628.85 is: 82,914,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,188,906.54 : 205,823,784.98 = 55,265,628.85 : x
  2. Step 2: Convert to fraction form
    137,188,906.54/205,823,784.98 = 55,265,628.85/x
  3. Step 3: Cross multiply
    137,188,906.54x = 205,823,784.98 × 55,265,628.85
  4. Step 4: Simplify right side
    137,188,906.54x = 11,374,980,907,901,438
  5. Step 5: Solve for x
    x = 11,374,980,907,901,438/137,188,906.54
  6. Step 6: Final answer
    x = 82,914,728.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.