Home / 208,970,067,588.96-288,374,173,310.06-120,982,011,078.42

Finding the Fourth Proportional to 208,970,067,588.96, 288,374,173,310.06 and 120,982,011,078.42

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Solution

The fourth proportional to 208,970,067,588.96, 288,374,173,310.06 and 120,982,011,078.42 is: 166,952,558,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,970,067,588.96 : 288,374,173,310.06 = 120,982,011,078.42 : x
  2. Step 2: Convert to fraction form
    208,970,067,588.96/288,374,173,310.06 = 120,982,011,078.42/x
  3. Step 3: Cross multiply
    208,970,067,588.96x = 288,374,173,310.06 × 120,982,011,078.42
  4. Step 4: Simplify right side
    208,970,067,588.96x = 34,888,087,430,127,887,056,896
  5. Step 5: Solve for x
    x = 34,888,087,430,127,887,056,896/208,970,067,588.96
  6. Step 6: Final answer
    x = 166,952,558,481.97

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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.