Home / 204,898,621.20-307,241,643.60-75,439,593.60

Finding the Fourth Proportional to 204,898,621.20, 307,241,643.60 and 75,439,593.60

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Solution

The fourth proportional to 204,898,621.20, 307,241,643.60 and 75,439,593.60 is: 113,120,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,898,621.20 : 307,241,643.60 = 75,439,593.60 : x
  2. Step 2: Convert to fraction form
    204,898,621.20/307,241,643.60 = 75,439,593.60/x
  3. Step 3: Cross multiply
    204,898,621.20x = 307,241,643.60 × 75,439,593.60
  4. Step 4: Simplify right side
    204,898,621.20x = 23,178,184,730,180,040
  5. Step 5: Solve for x
    x = 23,178,184,730,180,040/204,898,621.20
  6. Step 6: Final answer
    x = 113,120,257.20

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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.