Home / 52,858,819.20-79,269,566.40-18,781,276.80

Finding the Fourth Proportional to 52,858,819.20, 79,269,566.40 and 18,781,276.80

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Solution

The fourth proportional to 52,858,819.20, 79,269,566.40 and 18,781,276.80 is: 28,165,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858,819.20 : 79,269,566.40 = 18,781,276.80 : x
  2. Step 2: Convert to fraction form
    52,858,819.20/79,269,566.40 = 18,781,276.80/x
  3. Step 3: Cross multiply
    52,858,819.20x = 79,269,566.40 × 18,781,276.80
  4. Step 4: Simplify right side
    52,858,819.20x = 1,488,783,668,374,379.75
  5. Step 5: Solve for x
    x = 1,488,783,668,374,379.75/52,858,819.20
  6. Step 6: Final answer
    x = 28,165,284.26

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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.