Home / 206,486,046.42-285,010,917.21-134,969,316.90

Finding the Fourth Proportional to 206,486,046.42, 285,010,917.21 and 134,969,316.90

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Solution

The fourth proportional to 206,486,046.42, 285,010,917.21 and 134,969,316.90 is: 186,296,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,486,046.42 : 285,010,917.21 = 134,969,316.90 : x
  2. Step 2: Convert to fraction form
    206,486,046.42/285,010,917.21 = 134,969,316.90/x
  3. Step 3: Cross multiply
    206,486,046.42x = 285,010,917.21 × 134,969,316.90
  4. Step 4: Simplify right side
    206,486,046.42x = 38,467,728,804,876,152
  5. Step 5: Solve for x
    x = 38,467,728,804,876,152/206,486,046.42
  6. Step 6: Final answer
    x = 186,296,989.42

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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.