Home / 68,152,529.25-102,228,793.88-20,283,473.25

Finding the Fourth Proportional to 68,152,529.25, 102,228,793.88 and 20,283,473.25

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Solution

The fourth proportional to 68,152,529.25, 102,228,793.88 and 20,283,473.25 is: 30,425,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,152,529.25 : 102,228,793.88 = 20,283,473.25 : x
  2. Step 2: Convert to fraction form
    68,152,529.25/102,228,793.88 = 20,283,473.25/x
  3. Step 3: Cross multiply
    68,152,529.25x = 102,228,793.88 × 20,283,473.25
  4. Step 4: Simplify right side
    68,152,529.25x = 2,073,555,005,943,326.25
  5. Step 5: Solve for x
    x = 2,073,555,005,943,326.25/68,152,529.25
  6. Step 6: Final answer
    x = 30,425,209.88

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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.