Home / 363,688,940.25-545,538,137.94-121,351,844.25

Finding the Fourth Proportional to 363,688,940.25, 545,538,137.94 and 121,351,844.25

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Solution

The fourth proportional to 363,688,940.25, 545,538,137.94 and 121,351,844.25 is: 182,029,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,688,940.25 : 545,538,137.94 = 121,351,844.25 : x
  2. Step 2: Convert to fraction form
    363,688,940.25/545,538,137.94 = 121,351,844.25/x
  3. Step 3: Cross multiply
    363,688,940.25x = 545,538,137.94 × 121,351,844.25
  4. Step 4: Simplify right side
    363,688,940.25x = 66,202,059,147,729,904
  5. Step 5: Solve for x
    x = 66,202,059,147,729,904/363,688,940.25
  6. Step 6: Final answer
    x = 182,029,343.82

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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.