Home / 70,538,163.69-105,780,287.03-23,203,680.51

Finding the Fourth Proportional to 70,538,163.69, 105,780,287.03 and 23,203,680.51

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Solution

The fourth proportional to 70,538,163.69, 105,780,287.03 and 23,203,680.51 is: 34,796,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,538,163.69 : 105,780,287.03 = 23,203,680.51 : x
  2. Step 2: Convert to fraction form
    70,538,163.69/105,780,287.03 = 23,203,680.51/x
  3. Step 3: Cross multiply
    70,538,163.69x = 105,780,287.03 × 23,203,680.51
  4. Step 4: Simplify right side
    70,538,163.69x = 2,454,491,984,500,217
  5. Step 5: Solve for x
    x = 2,454,491,984,500,217/70,538,163.69
  6. Step 6: Final answer
    x = 34,796,652.71

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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.