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Finding the Fourth Proportional to 73,389,879.60, 110,084,819.40 and 22,271,816.40

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Solution

The fourth proportional to 73,389,879.60, 110,084,819.40 and 22,271,816.40 is: 33,407,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,389,879.60 : 110,084,819.40 = 22,271,816.40 : x
  2. Step 2: Convert to fraction form
    73,389,879.60/110,084,819.40 = 22,271,816.40/x
  3. Step 3: Cross multiply
    73,389,879.60x = 110,084,819.40 × 22,271,816.40
  4. Step 4: Simplify right side
    73,389,879.60x = 2,451,788,886,103,958
  5. Step 5: Solve for x
    x = 2,451,788,886,103,958/73,389,879.60
  6. Step 6: Final answer
    x = 33,407,724.60

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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.