Home / 133,757,589-200,468,525.58-72,344,296.20

Finding the Fourth Proportional to 133,757,589, 200,468,525.58 and 72,344,296.20

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Solution

The fourth proportional to 133,757,589, 200,468,525.58 and 72,344,296.20 is: 108,425,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,757,589 : 200,468,525.58 = 72,344,296.20 : x
  2. Step 2: Convert to fraction form
    133,757,589/200,468,525.58 = 72,344,296.20/x
  3. Step 3: Cross multiply
    133,757,589x = 200,468,525.58 × 72,344,296.20
  4. Step 4: Simplify right side
    133,757,589x = 14,502,754,393,336,798
  5. Step 5: Solve for x
    x = 14,502,754,393,336,798/133,757,589
  6. Step 6: Final answer
    x = 108,425,656.46

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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.