Home / 166,085,543.52-229,193,607.76-91,744,504.12

Finding the Fourth Proportional to 166,085,543.52, 229,193,607.76 and 91,744,504.12

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Solution

The fourth proportional to 166,085,543.52, 229,193,607.76 and 91,744,504.12 is: 126,604,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,085,543.52 : 229,193,607.76 = 91,744,504.12 : x
  2. Step 2: Convert to fraction form
    166,085,543.52/229,193,607.76 = 91,744,504.12/x
  3. Step 3: Cross multiply
    166,085,543.52x = 229,193,607.76 × 91,744,504.12
  4. Step 4: Simplify right side
    166,085,543.52x = 21,027,253,891,414,984
  5. Step 5: Solve for x
    x = 21,027,253,891,414,984/166,085,543.52
  6. Step 6: Final answer
    x = 126,604,961.79

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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.