Home / 54,351,557.80-75,007,213.86-31,151,161.96

Finding the Fourth Proportional to 54,351,557.80, 75,007,213.86 and 31,151,161.96

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Solution

The fourth proportional to 54,351,557.80, 75,007,213.86 and 31,151,161.96 is: 42,989,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,351,557.80 : 75,007,213.86 = 31,151,161.96 : x
  2. Step 2: Convert to fraction form
    54,351,557.80/75,007,213.86 = 31,151,161.96/x
  3. Step 3: Cross multiply
    54,351,557.80x = 75,007,213.86 × 31,151,161.96
  4. Step 4: Simplify right side
    54,351,557.80x = 2,336,561,867,121,217
  5. Step 5: Solve for x
    x = 2,336,561,867,121,217/54,351,557.80
  6. Step 6: Final answer
    x = 42,989,786.52

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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.