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Finding the Fourth Proportional to 36,216,308.69, 49,978,023.01 and 19,696,077.70

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Solution

The fourth proportional to 36,216,308.69, 49,978,023.01 and 19,696,077.70 is: 27,180,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216,308.69 : 49,978,023.01 = 19,696,077.70 : x
  2. Step 2: Convert to fraction form
    36,216,308.69/49,978,023.01 = 19,696,077.70/x
  3. Step 3: Cross multiply
    36,216,308.69x = 49,978,023.01 × 19,696,077.70
  4. Step 4: Simplify right side
    36,216,308.69x = 984,371,024,497,347.75
  5. Step 5: Solve for x
    x = 984,371,024,497,347.75/36,216,308.69
  6. Step 6: Final answer
    x = 27,180,324.56

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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.