Home / 166,213,226.17-229,370,248.15-90,856,204.57

Finding the Fourth Proportional to 166,213,226.17, 229,370,248.15 and 90,856,204.57

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Solution

The fourth proportional to 166,213,226.17, 229,370,248.15 and 90,856,204.57 is: 125,379,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,213,226.17 : 229,370,248.15 = 90,856,204.57 : x
  2. Step 2: Convert to fraction form
    166,213,226.17/229,370,248.15 = 90,856,204.57/x
  3. Step 3: Cross multiply
    166,213,226.17x = 229,370,248.15 × 90,856,204.57
  4. Step 4: Simplify right side
    166,213,226.17x = 20,839,710,188,188,064
  5. Step 5: Solve for x
    x = 20,839,710,188,188,064/166,213,226.17
  6. Step 6: Final answer
    x = 125,379,373.64

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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.