Home / 95,422,910.40-143,134,365.60-80,642,289.60

Finding the Fourth Proportional to 95,422,910.40, 143,134,365.60 and 80,642,289.60

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Solution

The fourth proportional to 95,422,910.40, 143,134,365.60 and 80,642,289.60 is: 120,963,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422,910.40 : 143,134,365.60 = 80,642,289.60 : x
  2. Step 2: Convert to fraction form
    95,422,910.40/143,134,365.60 = 80,642,289.60/x
  3. Step 3: Cross multiply
    95,422,910.40x = 143,134,365.60 × 80,642,289.60
  4. Step 4: Simplify right side
    95,422,910.40x = 11,542,682,962,427,476
  5. Step 5: Solve for x
    x = 11,542,682,962,427,476/95,422,910.40
  6. Step 6: Final answer
    x = 120,963,434.40

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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.