Home / 166,540,851.76-229,826,431.04-91,191,945.28

Finding the Fourth Proportional to 166,540,851.76, 229,826,431.04 and 91,191,945.28

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Solution

The fourth proportional to 166,540,851.76, 229,826,431.04 and 91,191,945.28 is: 125,844,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,540,851.76 : 229,826,431.04 = 91,191,945.28 : x
  2. Step 2: Convert to fraction form
    166,540,851.76/229,826,431.04 = 91,191,945.28/x
  3. Step 3: Cross multiply
    166,540,851.76x = 229,826,431.04 × 91,191,945.28
  4. Step 4: Simplify right side
    166,540,851.76x = 20,958,319,323,297,372
  5. Step 5: Solve for x
    x = 20,958,319,323,297,372/166,540,851.76
  6. Step 6: Final answer
    x = 125,844,914.94

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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.