Home / 211,230,216.75-316,840,378.87-55,794,872.49

Finding the Fourth Proportional to 211,230,216.75, 316,840,378.87 and 55,794,872.49

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Solution

The fourth proportional to 211,230,216.75, 316,840,378.87 and 55,794,872.49 is: 83,691,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,230,216.75 : 316,840,378.87 = 55,794,872.49 : x
  2. Step 2: Convert to fraction form
    211,230,216.75/316,840,378.87 = 55,794,872.49/x
  3. Step 3: Cross multiply
    211,230,216.75x = 316,840,378.87 × 55,794,872.49
  4. Step 4: Simplify right side
    211,230,216.75x = 17,678,068,537,302,964
  5. Step 5: Solve for x
    x = 17,678,068,537,302,964/211,230,216.75
  6. Step 6: Final answer
    x = 83,691,002.21

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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.