Home / 143,987,644.15-215,991,043.46-50,603,321.43

Finding the Fourth Proportional to 143,987,644.15, 215,991,043.46 and 50,603,321.43

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Solution

The fourth proportional to 143,987,644.15, 215,991,043.46 and 50,603,321.43 is: 75,908,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,987,644.15 : 215,991,043.46 = 50,603,321.43 : x
  2. Step 2: Convert to fraction form
    143,987,644.15/215,991,043.46 = 50,603,321.43/x
  3. Step 3: Cross multiply
    143,987,644.15x = 215,991,043.46 × 50,603,321.43
  4. Step 4: Simplify right side
    143,987,644.15x = 10,929,864,198,144,226
  5. Step 5: Solve for x
    x = 10,929,864,198,144,226/143,987,644.15
  6. Step 6: Final answer
    x = 75,908,347.99

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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.