Home / 77,327,874.28-106,709,597.94-42,518,493.64

Finding the Fourth Proportional to 77,327,874.28, 106,709,597.94 and 42,518,493.64

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Solution

The fourth proportional to 77,327,874.28, 106,709,597.94 and 42,518,493.64 is: 58,673,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327,874.28 : 106,709,597.94 = 42,518,493.64 : x
  2. Step 2: Convert to fraction form
    77,327,874.28/106,709,597.94 = 42,518,493.64/x
  3. Step 3: Cross multiply
    77,327,874.28x = 106,709,597.94 × 42,518,493.64
  4. Step 4: Simplify right side
    77,327,874.28x = 4,537,131,361,338,847
  5. Step 5: Solve for x
    x = 4,537,131,361,338,847/77,327,874.28
  6. Step 6: Final answer
    x = 58,673,943.95

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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.