Home / 67,670,839.67-101,510,172.81-19,144,628.44

Finding the Fourth Proportional to 67,670,839.67, 101,510,172.81 and 19,144,628.44

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Solution

The fourth proportional to 67,670,839.67, 101,510,172.81 and 19,144,628.44 is: 28,718,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,670,839.67 : 101,510,172.81 = 19,144,628.44 : x
  2. Step 2: Convert to fraction form
    67,670,839.67/101,510,172.81 = 19,144,628.44/x
  3. Step 3: Cross multiply
    67,670,839.67x = 101,510,172.81 × 19,144,628.44
  4. Step 4: Simplify right side
    67,670,839.67x = 1,943,374,541,073,865.25
  5. Step 5: Solve for x
    x = 1,943,374,541,073,865.25/67,670,839.67
  6. Step 6: Final answer
    x = 28,718,049.76

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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.