Home / 240,165,629.20-331,591,261.80-152,137,743.76

Finding the Fourth Proportional to 240,165,629.20, 331,591,261.80 and 152,137,743.76

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Solution

The fourth proportional to 240,165,629.20, 331,591,261.80 and 152,137,743.76 is: 210,053,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,165,629.20 : 331,591,261.80 = 152,137,743.76 : x
  2. Step 2: Convert to fraction form
    240,165,629.20/331,591,261.80 = 152,137,743.76/x
  3. Step 3: Cross multiply
    240,165,629.20x = 331,591,261.80 × 152,137,743.76
  4. Step 4: Simplify right side
    240,165,629.20x = 50,447,546,420,783,472
  5. Step 5: Solve for x
    x = 50,447,546,420,783,472/240,165,629.20
  6. Step 6: Final answer
    x = 210,053,147.86

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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.