Home / 50,651,785.11-69,891,732.36-28,617,244.77

Finding the Fourth Proportional to 50,651,785.11, 69,891,732.36 and 28,617,244.77

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Solution

The fourth proportional to 50,651,785.11, 69,891,732.36 and 28,617,244.77 is: 39,487,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651,785.11 : 69,891,732.36 = 28,617,244.77 : x
  2. Step 2: Convert to fraction form
    50,651,785.11/69,891,732.36 = 28,617,244.77/x
  3. Step 3: Cross multiply
    50,651,785.11x = 69,891,732.36 × 28,617,244.77
  4. Step 4: Simplify right side
    50,651,785.11x = 2,000,108,812,345,449.75
  5. Step 5: Solve for x
    x = 2,000,108,812,345,449.75/50,651,785.11
  6. Step 6: Final answer
    x = 39,487,429.87

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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.