Home / 193,327,558.32-266,792,015.64-105,222,187.76

Finding the Fourth Proportional to 193,327,558.32, 266,792,015.64 and 105,222,187.76

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Solution

The fourth proportional to 193,327,558.32, 266,792,015.64 and 105,222,187.76 is: 145,206,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,327,558.32 : 266,792,015.64 = 105,222,187.76 : x
  2. Step 2: Convert to fraction form
    193,327,558.32/266,792,015.64 = 105,222,187.76/x
  3. Step 3: Cross multiply
    193,327,558.32x = 266,792,015.64 × 105,222,187.76
  4. Step 4: Simplify right side
    193,327,558.32x = 28,072,439,562,540,936
  5. Step 5: Solve for x
    x = 28,072,439,562,540,936/193,327,558.32
  6. Step 6: Final answer
    x = 145,206,611.03

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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.