Home / 165,481,685.15-228,375,096.70-91,142,230.91

Finding the Fourth Proportional to 165,481,685.15, 228,375,096.70 and 91,142,230.91

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Solution

The fourth proportional to 165,481,685.15, 228,375,096.70 and 91,142,230.91 is: 125,781,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,481,685.15 : 228,375,096.70 = 91,142,230.91 : x
  2. Step 2: Convert to fraction form
    165,481,685.15/228,375,096.70 = 91,142,230.91/x
  3. Step 3: Cross multiply
    165,481,685.15x = 228,375,096.70 × 91,142,230.91
  4. Step 4: Simplify right side
    165,481,685.15x = 20,814,615,797,868,060
  5. Step 5: Solve for x
    x = 20,814,615,797,868,060/165,481,685.15
  6. Step 6: Final answer
    x = 125,781,990.79

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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.