Home / 208,490,067.44-312,821,837.58-91,845,722.60

Finding the Fourth Proportional to 208,490,067.44, 312,821,837.58 and 91,845,722.60

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Solution

The fourth proportional to 208,490,067.44, 312,821,837.58 and 91,845,722.60 is: 137,806,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,490,067.44 : 312,821,837.58 = 91,845,722.60 : x
  2. Step 2: Convert to fraction form
    208,490,067.44/312,821,837.58 = 91,845,722.60/x
  3. Step 3: Cross multiply
    208,490,067.44x = 312,821,837.58 × 91,845,722.60
  4. Step 4: Simplify right side
    208,490,067.44x = 28,731,347,717,594,932
  5. Step 5: Solve for x
    x = 28,731,347,717,594,932/208,490,067.44
  6. Step 6: Final answer
    x = 137,806,793.73

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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.