Home / 272,145,273.39-408,219,533.91-67,673,348.64

Finding the Fourth Proportional to 272,145,273.39, 408,219,533.91 and 67,673,348.64

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Solution

The fourth proportional to 272,145,273.39, 408,219,533.91 and 67,673,348.64 is: 101,510,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,145,273.39 : 408,219,533.91 = 67,673,348.64 : x
  2. Step 2: Convert to fraction form
    272,145,273.39/408,219,533.91 = 67,673,348.64/x
  3. Step 3: Cross multiply
    272,145,273.39x = 408,219,533.91 × 67,673,348.64
  4. Step 4: Simplify right side
    272,145,273.39x = 27,625,582,839,949,736
  5. Step 5: Solve for x
    x = 27,625,582,839,949,736/272,145,273.39
  6. Step 6: Final answer
    x = 101,510,426.75

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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.