Home / 215,485,398.30-323,228,101.74-51,723,154.86

Finding the Fourth Proportional to 215,485,398.30, 323,228,101.74 and 51,723,154.86

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Solution

The fourth proportional to 215,485,398.30, 323,228,101.74 and 51,723,154.86 is: 77,584,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,485,398.30 : 323,228,101.74 = 51,723,154.86 : x
  2. Step 2: Convert to fraction form
    215,485,398.30/323,228,101.74 = 51,723,154.86/x
  3. Step 3: Cross multiply
    215,485,398.30x = 323,228,101.74 × 51,723,154.86
  4. Step 4: Simplify right side
    215,485,398.30x = 16,718,377,161,401,856
  5. Step 5: Solve for x
    x = 16,718,377,161,401,856/215,485,398.30
  6. Step 6: Final answer
    x = 77,584,733.32

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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.