Home / 133,072,806.20-199,394,591.70-75,393,548.60

Finding the Fourth Proportional to 133,072,806.20, 199,394,591.70 and 75,393,548.60

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Solution

The fourth proportional to 133,072,806.20, 199,394,591.70 and 75,393,548.60 is: 112,968,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072,806.20 : 199,394,591.70 = 75,393,548.60 : x
  2. Step 2: Convert to fraction form
    133,072,806.20/199,394,591.70 = 75,393,548.60/x
  3. Step 3: Cross multiply
    133,072,806.20x = 199,394,591.70 × 75,393,548.60
  4. Step 4: Simplify right side
    133,072,806.20x = 15,033,065,839,911,104
  5. Step 5: Solve for x
    x = 15,033,065,839,911,104/133,072,806.20
  6. Step 6: Final answer
    x = 112,968,729.44

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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.