Home / 167,958,216.68-231,881,764.51-149,321,881.83

Finding the Fourth Proportional to 167,958,216.68, 231,881,764.51 and 149,321,881.83

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Solution

The fourth proportional to 167,958,216.68, 231,881,764.51 and 149,321,881.83 is: 206,152,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,958,216.68 : 231,881,764.51 = 149,321,881.83 : x
  2. Step 2: Convert to fraction form
    167,958,216.68/231,881,764.51 = 149,321,881.83/x
  3. Step 3: Cross multiply
    167,958,216.68x = 231,881,764.51 × 149,321,881.83
  4. Step 4: Simplify right side
    167,958,216.68x = 34,625,021,437,161,392
  5. Step 5: Solve for x
    x = 34,625,021,437,161,392/167,958,216.68
  6. Step 6: Final answer
    x = 206,152,590.34

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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.