Home / 165,481,684.40-228,375,095.66-91,142,230.16

Finding the Fourth Proportional to 165,481,684.40, 228,375,095.66 and 91,142,230.16

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Solution

The fourth proportional to 165,481,684.40, 228,375,095.66 and 91,142,230.16 is: 125,781,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,481,684.40 : 228,375,095.66 = 91,142,230.16 : x
  2. Step 2: Convert to fraction form
    165,481,684.40/228,375,095.66 = 91,142,230.16/x
  3. Step 3: Cross multiply
    165,481,684.40x = 228,375,095.66 × 91,142,230.16
  4. Step 4: Simplify right side
    165,481,684.40x = 20,814,615,531,654,264
  5. Step 5: Solve for x
    x = 20,814,615,531,654,264/165,481,684.40
  6. Step 6: Final answer
    x = 125,781,989.75

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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.