Home / 204,768,923.90-307,153,385.85-75,469,328.60

Finding the Fourth Proportional to 204,768,923.90, 307,153,385.85 and 75,469,328.60

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Solution

The fourth proportional to 204,768,923.90, 307,153,385.85 and 75,469,328.60 is: 113,203,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,768,923.90 : 307,153,385.85 = 75,469,328.60 : x
  2. Step 2: Convert to fraction form
    204,768,923.90/307,153,385.85 = 75,469,328.60/x
  3. Step 3: Cross multiply
    204,768,923.90x = 307,153,385.85 × 75,469,328.60
  4. Step 4: Simplify right side
    204,768,923.90x = 23,180,659,807,316,240
  5. Step 5: Solve for x
    x = 23,180,659,807,316,240/204,768,923.90
  6. Step 6: Final answer
    x = 113,203,992.90

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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.