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Finding the Fourth Proportional to 69,876,167.60, 104,814,251.40 and 69,876,167.60

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Solution

The fourth proportional to 69,876,167.60, 104,814,251.40 and 69,876,167.60 is: 104,814,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876,167.60 : 104,814,251.40 = 69,876,167.60 : x
  2. Step 2: Convert to fraction form
    69,876,167.60/104,814,251.40 = 69,876,167.60/x
  3. Step 3: Cross multiply
    69,876,167.60x = 104,814,251.40 × 69,876,167.60
  4. Step 4: Simplify right side
    69,876,167.60x = 7,324,018,197,694,934
  5. Step 5: Solve for x
    x = 7,324,018,197,694,934/69,876,167.60
  6. Step 6: Final answer
    x = 104,814,251.40

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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.