Home / 76,438,403.82-114,706,933.65-27,912,194.70

Finding the Fourth Proportional to 76,438,403.82, 114,706,933.65 and 27,912,194.70

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Solution

The fourth proportional to 76,438,403.82, 114,706,933.65 and 27,912,194.70 is: 41,886,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,438,403.82 : 114,706,933.65 = 27,912,194.70 : x
  2. Step 2: Convert to fraction form
    76,438,403.82/114,706,933.65 = 27,912,194.70/x
  3. Step 3: Cross multiply
    76,438,403.82x = 114,706,933.65 × 27,912,194.70
  4. Step 4: Simplify right side
    76,438,403.82x = 3,201,722,265,478,781.50
  5. Step 5: Solve for x
    x = 3,201,722,265,478,781.50/76,438,403.82
  6. Step 6: Final answer
    x = 41,886,304.60

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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.