Home / 50,120,405.43-75,137,137.92-19,393,836.18

Finding the Fourth Proportional to 50,120,405.43, 75,137,137.92 and 19,393,836.18

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Solution

The fourth proportional to 50,120,405.43, 75,137,137.92 and 19,393,836.18 is: 29,073,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120,405.43 : 75,137,137.92 = 19,393,836.18 : x
  2. Step 2: Convert to fraction form
    50,120,405.43/75,137,137.92 = 19,393,836.18/x
  3. Step 3: Cross multiply
    50,120,405.43x = 75,137,137.92 × 19,393,836.18
  4. Step 4: Simplify right side
    50,120,405.43x = 1,457,197,343,854,546
  5. Step 5: Solve for x
    x = 1,457,197,343,854,546/50,120,405.43
  6. Step 6: Final answer
    x = 29,073,933.69

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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.