Home / 218,740,394.95-301,855,773.05-120,951,907.27

Finding the Fourth Proportional to 218,740,394.95, 301,855,773.05 and 120,951,907.27

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Solution

The fourth proportional to 218,740,394.95, 301,855,773.05 and 120,951,907.27 is: 166,910,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,740,394.95 : 301,855,773.05 = 120,951,907.27 : x
  2. Step 2: Convert to fraction form
    218,740,394.95/301,855,773.05 = 120,951,907.27/x
  3. Step 3: Cross multiply
    218,740,394.95x = 301,855,773.05 × 120,951,907.27
  4. Step 4: Simplify right side
    218,740,394.95x = 36,510,031,470,405,504
  5. Step 5: Solve for x
    x = 36,510,031,470,405,504/218,740,394.95
  6. Step 6: Final answer
    x = 166,910,329.84

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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.