Home / 208,970,067,587.96-288,374,173,308.68-120,982,011,077.42

Finding the Fourth Proportional to 208,970,067,587.96, 288,374,173,308.68 and 120,982,011,077.42

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Solution

The fourth proportional to 208,970,067,587.96, 288,374,173,308.68 and 120,982,011,077.42 is: 166,952,558,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,970,067,587.96 : 288,374,173,308.68 = 120,982,011,077.42 : x
  2. Step 2: Convert to fraction form
    208,970,067,587.96/288,374,173,308.68 = 120,982,011,077.42/x
  3. Step 3: Cross multiply
    208,970,067,587.96x = 288,374,173,308.68 × 120,982,011,077.42
  4. Step 4: Simplify right side
    208,970,067,587.96x = 34,888,087,429,672,557,608,960
  5. Step 5: Solve for x
    x = 34,888,087,429,672,557,608,960/208,970,067,587.96
  6. Step 6: Final answer
    x = 166,952,558,480.59

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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.