Home / 77,694,803.78-107,193,365.93-55,371,306.25

Finding the Fourth Proportional to 77,694,803.78, 107,193,365.93 and 55,371,306.25

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Solution

The fourth proportional to 77,694,803.78, 107,193,365.93 and 55,371,306.25 is: 76,394,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,694,803.78 : 107,193,365.93 = 55,371,306.25 : x
  2. Step 2: Convert to fraction form
    77,694,803.78/107,193,365.93 = 55,371,306.25/x
  3. Step 3: Cross multiply
    77,694,803.78x = 107,193,365.93 × 55,371,306.25
  4. Step 4: Simplify right side
    77,694,803.78x = 5,935,436,692,065,522
  5. Step 5: Solve for x
    x = 5,935,436,692,065,522/77,694,803.78
  6. Step 6: Final answer
    x = 76,394,255.51

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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.