Home / 135,508,422.12-203,262,231-38,464,211.88

Finding the Fourth Proportional to 135,508,422.12, 203,262,231 and 38,464,211.88

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Solution

The fourth proportional to 135,508,422.12, 203,262,231 and 38,464,211.88 is: 57,696,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,508,422.12 : 203,262,231 = 38,464,211.88 : x
  2. Step 2: Convert to fraction form
    135,508,422.12/203,262,231 = 38,464,211.88/x
  3. Step 3: Cross multiply
    135,508,422.12x = 203,262,231 × 38,464,211.88
  4. Step 4: Simplify right side
    135,508,422.12x = 7,818,321,520,385,505
  5. Step 5: Solve for x
    x = 7,818,321,520,385,505/135,508,422.12
  6. Step 6: Final answer
    x = 57,696,203.66

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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.