Home / 505,331,261.20-757,996,891.80-141,825,617.20

Finding the Fourth Proportional to 505,331,261.20, 757,996,891.80 and 141,825,617.20

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Solution

The fourth proportional to 505,331,261.20, 757,996,891.80 and 141,825,617.20 is: 212,738,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,331,261.20 : 757,996,891.80 = 141,825,617.20 : x
  2. Step 2: Convert to fraction form
    505,331,261.20/757,996,891.80 = 141,825,617.20/x
  3. Step 3: Cross multiply
    505,331,261.20x = 757,996,891.80 × 141,825,617.20
  4. Step 4: Simplify right side
    505,331,261.20x = 107,503,377,015,216,608
  5. Step 5: Solve for x
    x = 107,503,377,015,216,608/505,331,261.20
  6. Step 6: Final answer
    x = 212,738,425.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.