Home / 163,336,720.20-225,420,558.48-122,011,868.04

Finding the Fourth Proportional to 163,336,720.20, 225,420,558.48 and 122,011,868.04

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Solution

The fourth proportional to 163,336,720.20, 225,420,558.48 and 122,011,868.04 is: 168,388,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,336,720.20 : 225,420,558.48 = 122,011,868.04 : x
  2. Step 2: Convert to fraction form
    163,336,720.20/225,420,558.48 = 122,011,868.04/x
  3. Step 3: Cross multiply
    163,336,720.20x = 225,420,558.48 × 122,011,868.04
  4. Step 4: Simplify right side
    163,336,720.20x = 27,503,983,434,764,864
  5. Step 5: Solve for x
    x = 27,503,983,434,764,864/163,336,720.20
  6. Step 6: Final answer
    x = 168,388,243.63

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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.