Home / 141,182,690.48-194,801,887.68-82,418,687.36

Finding the Fourth Proportional to 141,182,690.48, 194,801,887.68 and 82,418,687.36

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Solution

The fourth proportional to 141,182,690.48, 194,801,887.68 and 82,418,687.36 is: 113,720,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,182,690.48 : 194,801,887.68 = 82,418,687.36 : x
  2. Step 2: Convert to fraction form
    141,182,690.48/194,801,887.68 = 82,418,687.36/x
  3. Step 3: Cross multiply
    141,182,690.48x = 194,801,887.68 × 82,418,687.36
  4. Step 4: Simplify right side
    141,182,690.48x = 16,055,315,877,835,756
  5. Step 5: Solve for x
    x = 16,055,315,877,835,756/141,182,690.48
  6. Step 6: Final answer
    x = 113,720,143.90

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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.