Home / 77,770,003.60-116,431,056.60-75,530,515.60

Finding the Fourth Proportional to 77,770,003.60, 116,431,056.60 and 75,530,515.60

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Solution

The fourth proportional to 77,770,003.60, 116,431,056.60 and 75,530,515.60 is: 113,078,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,770,003.60 : 116,431,056.60 = 75,530,515.60 : x
  2. Step 2: Convert to fraction form
    77,770,003.60/116,431,056.60 = 75,530,515.60/x
  3. Step 3: Cross multiply
    77,770,003.60x = 116,431,056.60 × 75,530,515.60
  4. Step 4: Simplify right side
    77,770,003.60x = 8,794,097,736,850,782
  5. Step 5: Solve for x
    x = 8,794,097,736,850,782/77,770,003.60
  6. Step 6: Final answer
    x = 113,078,273.50

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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.