Home / 51,204,300.47-76,806,528.62-20,912,163.47

Finding the Fourth Proportional to 51,204,300.47, 76,806,528.62 and 20,912,163.47

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Solution

The fourth proportional to 51,204,300.47, 76,806,528.62 and 20,912,163.47 is: 31,368,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,300.47 : 76,806,528.62 = 20,912,163.47 : x
  2. Step 2: Convert to fraction form
    51,204,300.47/76,806,528.62 = 20,912,163.47/x
  3. Step 3: Cross multiply
    51,204,300.47x = 76,806,528.62 × 20,912,163.47
  4. Step 4: Simplify right side
    51,204,300.47x = 1,606,190,681,864,104.50
  5. Step 5: Solve for x
    x = 1,606,190,681,864,104.50/51,204,300.47
  6. Step 6: Final answer
    x = 31,368,277.02

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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.