Home / 211,230,217.75-316,840,380.37-55,794,873.49

Finding the Fourth Proportional to 211,230,217.75, 316,840,380.37 and 55,794,873.49

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Solution

The fourth proportional to 211,230,217.75, 316,840,380.37 and 55,794,873.49 is: 83,691,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,230,217.75 : 316,840,380.37 = 55,794,873.49 : x
  2. Step 2: Convert to fraction form
    211,230,217.75/316,840,380.37 = 55,794,873.49/x
  3. Step 3: Cross multiply
    211,230,217.75x = 316,840,380.37 × 55,794,873.49
  4. Step 4: Simplify right side
    211,230,217.75x = 17,678,068,939,267,630
  5. Step 5: Solve for x
    x = 17,678,068,939,267,630/211,230,217.75
  6. Step 6: Final answer
    x = 83,691,003.72

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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.