Home / 68,947,382.16-103,451,534.22-36,150,109.79

Finding the Fourth Proportional to 68,947,382.16, 103,451,534.22 and 36,150,109.79

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Solution

The fourth proportional to 68,947,382.16, 103,451,534.22 and 36,150,109.79 is: 54,241,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947,382.16 : 103,451,534.22 = 36,150,109.79 : x
  2. Step 2: Convert to fraction form
    68,947,382.16/103,451,534.22 = 36,150,109.79/x
  3. Step 3: Cross multiply
    68,947,382.16x = 103,451,534.22 × 36,150,109.79
  4. Step 4: Simplify right side
    68,947,382.16x = 3,739,784,320,000,634.50
  5. Step 5: Solve for x
    x = 3,739,784,320,000,634.50/68,947,382.16
  6. Step 6: Final answer
    x = 54,241,135.82

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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.