Home / 139,351,094.02-192,305,257.46-76,631,236.38

Finding the Fourth Proportional to 139,351,094.02, 192,305,257.46 and 76,631,236.38

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Solution

The fourth proportional to 139,351,094.02, 192,305,257.46 and 76,631,236.38 is: 105,751,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,351,094.02 : 192,305,257.46 = 76,631,236.38 : x
  2. Step 2: Convert to fraction form
    139,351,094.02/192,305,257.46 = 76,631,236.38/x
  3. Step 3: Cross multiply
    139,351,094.02x = 192,305,257.46 × 76,631,236.38
  4. Step 4: Simplify right side
    139,351,094.02x = 14,736,589,641,534,018
  5. Step 5: Solve for x
    x = 14,736,589,641,534,018/139,351,094.02
  6. Step 6: Final answer
    x = 105,751,517.38

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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.