Home / 149,787,847.15-206,689,327.03-82,797,755.98

Finding the Fourth Proportional to 149,787,847.15, 206,689,327.03 and 82,797,755.98

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Solution

The fourth proportional to 149,787,847.15, 206,689,327.03 and 82,797,755.98 is: 114,251,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,787,847.15 : 206,689,327.03 = 82,797,755.98 : x
  2. Step 2: Convert to fraction form
    149,787,847.15/206,689,327.03 = 82,797,755.98/x
  3. Step 3: Cross multiply
    149,787,847.15x = 206,689,327.03 × 82,797,755.98
  4. Step 4: Simplify right side
    149,787,847.15x = 17,113,412,463,100,360
  5. Step 5: Solve for x
    x = 17,113,412,463,100,360/149,787,847.15
  6. Step 6: Final answer
    x = 114,251,007.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.