Home / 215,485,621.52-323,228,435-51,723,377.68

Finding the Fourth Proportional to 215,485,621.52, 323,228,435 and 51,723,377.68

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Solution

The fourth proportional to 215,485,621.52, 323,228,435 and 51,723,377.68 is: 77,585,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,485,621.52 : 323,228,435 = 51,723,377.68 : x
  2. Step 2: Convert to fraction form
    215,485,621.52/323,228,435 = 51,723,377.68/x
  3. Step 3: Cross multiply
    215,485,621.52x = 323,228,435 × 51,723,377.68
  4. Step 4: Simplify right side
    215,485,621.52x = 16,718,466,420,420,330
  5. Step 5: Solve for x
    x = 16,718,466,420,420,330/215,485,621.52
  6. Step 6: Final answer
    x = 77,585,067.17

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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.