Home / 158,969,069.28-238,282,230.72-76,914,578.88

Finding the Fourth Proportional to 158,969,069.28, 238,282,230.72 and 76,914,578.88

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Solution

The fourth proportional to 158,969,069.28, 238,282,230.72 and 76,914,578.88 is: 115,288,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,969,069.28 : 238,282,230.72 = 76,914,578.88 : x
  2. Step 2: Convert to fraction form
    158,969,069.28/238,282,230.72 = 76,914,578.88/x
  3. Step 3: Cross multiply
    158,969,069.28x = 238,282,230.72 × 76,914,578.88
  4. Step 4: Simplify right side
    158,969,069.28x = 18,327,377,430,415,796
  5. Step 5: Solve for x
    x = 18,327,377,430,415,796/158,969,069.28
  6. Step 6: Final answer
    x = 115,288,952.21

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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.