Home / 79,614,738.90-109,826,201.79-54,791,830.56

Finding the Fourth Proportional to 79,614,738.90, 109,826,201.79 and 54,791,830.56

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Solution

The fourth proportional to 79,614,738.90, 109,826,201.79 and 54,791,830.56 is: 75,583,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,614,738.90 : 109,826,201.79 = 54,791,830.56 : x
  2. Step 2: Convert to fraction form
    79,614,738.90/109,826,201.79 = 54,791,830.56/x
  3. Step 3: Cross multiply
    79,614,738.90x = 109,826,201.79 × 54,791,830.56
  4. Step 4: Simplify right side
    79,614,738.90x = 6,017,578,639,526,049
  5. Step 5: Solve for x
    x = 6,017,578,639,526,049/79,614,738.90
  6. Step 6: Final answer
    x = 75,583,726.36

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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.