Home / 72,769,600.40-109,154,400.60-36,383,606.60

Finding the Fourth Proportional to 72,769,600.40, 109,154,400.60 and 36,383,606.60

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Solution

The fourth proportional to 72,769,600.40, 109,154,400.60 and 36,383,606.60 is: 54,575,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,769,600.40 : 109,154,400.60 = 36,383,606.60 : x
  2. Step 2: Convert to fraction form
    72,769,600.40/109,154,400.60 = 36,383,606.60/x
  3. Step 3: Cross multiply
    72,769,600.40x = 109,154,400.60 × 36,383,606.60
  4. Step 4: Simplify right side
    72,769,600.40x = 3,971,430,770,089,204
  5. Step 5: Solve for x
    x = 3,971,430,770,089,204/72,769,600.40
  6. Step 6: Final answer
    x = 54,575,409.90

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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.