Home / 141,093,364.60-211,640,046.90-80,515,214.20

Finding the Fourth Proportional to 141,093,364.60, 211,640,046.90 and 80,515,214.20

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Solution

The fourth proportional to 141,093,364.60, 211,640,046.90 and 80,515,214.20 is: 120,772,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,093,364.60 : 211,640,046.90 = 80,515,214.20 : x
  2. Step 2: Convert to fraction form
    141,093,364.60/211,640,046.90 = 80,515,214.20/x
  3. Step 3: Cross multiply
    141,093,364.60x = 211,640,046.90 × 80,515,214.20
  4. Step 4: Simplify right side
    141,093,364.60x = 17,040,243,709,451,548
  5. Step 5: Solve for x
    x = 17,040,243,709,451,548/141,093,364.60
  6. Step 6: Final answer
    x = 120,772,821.30

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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.