Home / 108,678,172.62-150,044,721.39-67,468,794.06

Finding the Fourth Proportional to 108,678,172.62, 150,044,721.39 and 67,468,794.06

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Solution

The fourth proportional to 108,678,172.62, 150,044,721.39 and 67,468,794.06 is: 93,149,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,678,172.62 : 150,044,721.39 = 67,468,794.06 : x
  2. Step 2: Convert to fraction form
    108,678,172.62/150,044,721.39 = 67,468,794.06/x
  3. Step 3: Cross multiply
    108,678,172.62x = 150,044,721.39 × 67,468,794.06
  4. Step 4: Simplify right side
    108,678,172.62x = 10,123,336,407,251,986
  5. Step 5: Solve for x
    x = 10,123,336,407,251,986/108,678,172.62
  6. Step 6: Final answer
    x = 93,149,674.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.