Home / 119,477,633.28-179,156,380.32-69,638,498.56

Finding the Fourth Proportional to 119,477,633.28, 179,156,380.32 and 69,638,498.56

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Solution

The fourth proportional to 119,477,633.28, 179,156,380.32 and 69,638,498.56 is: 104,422,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,477,633.28 : 179,156,380.32 = 69,638,498.56 : x
  2. Step 2: Convert to fraction form
    119,477,633.28/179,156,380.32 = 69,638,498.56/x
  3. Step 3: Cross multiply
    119,477,633.28x = 179,156,380.32 × 69,638,498.56
  4. Step 4: Simplify right side
    119,477,633.28x = 12,476,181,332,929,132
  5. Step 5: Solve for x
    x = 12,476,181,332,929,132/119,477,633.28
  6. Step 6: Final answer
    x = 104,422,735.79

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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.