Home / 137,212,799.82-205,819,194.54-40,168,507.38

Finding the Fourth Proportional to 137,212,799.82, 205,819,194.54 and 40,168,507.38

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Solution

The fourth proportional to 137,212,799.82, 205,819,194.54 and 40,168,507.38 is: 60,252,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,212,799.82 : 205,819,194.54 = 40,168,507.38 : x
  2. Step 2: Convert to fraction form
    137,212,799.82/205,819,194.54 = 40,168,507.38/x
  3. Step 3: Cross multiply
    137,212,799.82x = 205,819,194.54 × 40,168,507.38
  4. Step 4: Simplify right side
    137,212,799.82x = 8,267,449,834,825,646
  5. Step 5: Solve for x
    x = 8,267,449,834,825,646/137,212,799.82
  6. Step 6: Final answer
    x = 60,252,759.55

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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.