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Finding the Fourth Proportional to 244,993,363.80, 367,490,045.70 and 91,619,491.20

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Solution

The fourth proportional to 244,993,363.80, 367,490,045.70 and 91,619,491.20 is: 137,429,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,993,363.80 : 367,490,045.70 = 91,619,491.20 : x
  2. Step 2: Convert to fraction form
    244,993,363.80/367,490,045.70 = 91,619,491.20/x
  3. Step 3: Cross multiply
    244,993,363.80x = 367,490,045.70 × 91,619,491.20
  4. Step 4: Simplify right side
    244,993,363.80x = 33,669,251,008,098,748
  5. Step 5: Solve for x
    x = 33,669,251,008,098,748/244,993,363.80
  6. Step 6: Final answer
    x = 137,429,236.80

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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.