Home / 78,161,912.21-107,863,093.32-44,670,832.54

Finding the Fourth Proportional to 78,161,912.21, 107,863,093.32 and 44,670,832.54

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Solution

The fourth proportional to 78,161,912.21, 107,863,093.32 and 44,670,832.54 is: 61,645,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,161,912.21 : 107,863,093.32 = 44,670,832.54 : x
  2. Step 2: Convert to fraction form
    78,161,912.21/107,863,093.32 = 44,670,832.54/x
  3. Step 3: Cross multiply
    78,161,912.21x = 107,863,093.32 × 44,670,832.54
  4. Step 4: Simplify right side
    78,161,912.21x = 4,818,334,178,404,796
  5. Step 5: Solve for x
    x = 4,818,334,178,404,796/78,161,912.21
  6. Step 6: Final answer
    x = 61,645,551.42

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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.