Home / 87,483,991.70-131,121,011.55-60,190,231.70

Finding the Fourth Proportional to 87,483,991.70, 131,121,011.55 and 60,190,231.70

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Solution

The fourth proportional to 87,483,991.70, 131,121,011.55 and 60,190,231.70 is: 90,213,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,483,991.70 : 131,121,011.55 = 60,190,231.70 : x
  2. Step 2: Convert to fraction form
    87,483,991.70/131,121,011.55 = 60,190,231.70/x
  3. Step 3: Cross multiply
    87,483,991.70x = 131,121,011.55 × 60,190,231.70
  4. Step 4: Simplify right side
    87,483,991.70x = 7,892,204,065,932,876
  5. Step 5: Solve for x
    x = 7,892,204,065,932,876/87,483,991.70
  6. Step 6: Final answer
    x = 90,213,122.57

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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.