Home / 166,213,225.17-229,370,246.78-90,856,203.57

Finding the Fourth Proportional to 166,213,225.17, 229,370,246.78 and 90,856,203.57

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Solution

The fourth proportional to 166,213,225.17, 229,370,246.78 and 90,856,203.57 is: 125,379,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,213,225.17 : 229,370,246.78 = 90,856,203.57 : x
  2. Step 2: Convert to fraction form
    166,213,225.17/229,370,246.78 = 90,856,203.57/x
  3. Step 3: Cross multiply
    166,213,225.17x = 229,370,246.78 × 90,856,203.57
  4. Step 4: Simplify right side
    166,213,225.17x = 20,839,709,833,890,536
  5. Step 5: Solve for x
    x = 20,839,709,833,890,536/166,213,225.17
  6. Step 6: Final answer
    x = 125,379,372.26

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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.