Home / 165,646,150.88-228,601,915.42-91,306,543.74

Finding the Fourth Proportional to 165,646,150.88, 228,601,915.42 and 91,306,543.74

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Solution

The fourth proportional to 165,646,150.88, 228,601,915.42 and 91,306,543.74 is: 126,008,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646,150.88 : 228,601,915.42 = 91,306,543.74 : x
  2. Step 2: Convert to fraction form
    165,646,150.88/228,601,915.42 = 91,306,543.74/x
  3. Step 3: Cross multiply
    165,646,150.88x = 228,601,915.42 × 91,306,543.74
  4. Step 4: Simplify right side
    165,646,150.88x = 20,872,850,789,344,008
  5. Step 5: Solve for x
    x = 20,872,850,789,344,008/165,646,150.88
  6. Step 6: Final answer
    x = 126,008,667.74

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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.