Home / 218,329,709.80-327,494,564.70-88,870,682.20

Finding the Fourth Proportional to 218,329,709.80, 327,494,564.70 and 88,870,682.20

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Solution

The fourth proportional to 218,329,709.80, 327,494,564.70 and 88,870,682.20 is: 133,306,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329,709.80 : 327,494,564.70 = 88,870,682.20 : x
  2. Step 2: Convert to fraction form
    218,329,709.80/327,494,564.70 = 88,870,682.20/x
  3. Step 3: Cross multiply
    218,329,709.80x = 327,494,564.70 × 88,870,682.20
  4. Step 4: Simplify right side
    218,329,709.80x = 29,104,665,381,681,040
  5. Step 5: Solve for x
    x = 29,104,665,381,681,040/218,329,709.80
  6. Step 6: Final answer
    x = 133,306,023.30

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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.