Home / 81,154,546.32-121,444,464.32-50,463,578.24

Finding the Fourth Proportional to 81,154,546.32, 121,444,464.32 and 50,463,578.24

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Solution

The fourth proportional to 81,154,546.32, 121,444,464.32 and 50,463,578.24 is: 75,516,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,154,546.32 : 121,444,464.32 = 50,463,578.24 : x
  2. Step 2: Convert to fraction form
    81,154,546.32/121,444,464.32 = 50,463,578.24/x
  3. Step 3: Cross multiply
    81,154,546.32x = 121,444,464.32 × 50,463,578.24
  4. Step 4: Simplify right side
    81,154,546.32x = 6,128,522,227,027,208
  5. Step 5: Solve for x
    x = 6,128,522,227,027,208/81,154,546.32
  6. Step 6: Final answer
    x = 75,516,683.97

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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.