Home / 166,540,853.76-229,826,433.80-91,191,947.28

Finding the Fourth Proportional to 166,540,853.76, 229,826,433.80 and 91,191,947.28

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Solution

The fourth proportional to 166,540,853.76, 229,826,433.80 and 91,191,947.28 is: 125,844,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,540,853.76 : 229,826,433.80 = 91,191,947.28 : x
  2. Step 2: Convert to fraction form
    166,540,853.76/229,826,433.80 = 91,191,947.28/x
  3. Step 3: Cross multiply
    166,540,853.76x = 229,826,433.80 × 91,191,947.28
  4. Step 4: Simplify right side
    166,540,853.76x = 20,958,320,034,640,012
  5. Step 5: Solve for x
    x = 20,958,320,034,640,012/166,540,853.76
  6. Step 6: Final answer
    x = 125,844,917.70

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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.