Home / 220,089,716.20-330,124,076.70-74,508,999.40

Finding the Fourth Proportional to 220,089,716.20, 330,124,076.70 and 74,508,999.40

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Solution

The fourth proportional to 220,089,716.20, 330,124,076.70 and 74,508,999.40 is: 111,759,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,089,716.20 : 330,124,076.70 = 74,508,999.40 : x
  2. Step 2: Convert to fraction form
    220,089,716.20/330,124,076.70 = 74,508,999.40/x
  3. Step 3: Cross multiply
    220,089,716.20x = 330,124,076.70 × 74,508,999.40
  4. Step 4: Simplify right side
    220,089,716.20x = 24,597,214,632,765,856
  5. Step 5: Solve for x
    x = 24,597,214,632,765,856/220,089,716.20
  6. Step 6: Final answer
    x = 111,759,945.25

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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.