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Finding the Fourth Proportional to 79,905,600.60, 119,858,400.90 and 36,858,879.60

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Solution

The fourth proportional to 79,905,600.60, 119,858,400.90 and 36,858,879.60 is: 55,288,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,905,600.60 : 119,858,400.90 = 36,858,879.60 : x
  2. Step 2: Convert to fraction form
    79,905,600.60/119,858,400.90 = 36,858,879.60/x
  3. Step 3: Cross multiply
    79,905,600.60x = 119,858,400.90 × 36,858,879.60
  4. Step 4: Simplify right side
    79,905,600.60x = 4,417,846,367,821,632
  5. Step 5: Solve for x
    x = 4,417,846,367,821,632/79,905,600.60
  6. Step 6: Final answer
    x = 55,288,319.40

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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.