Home / 221,474,808.90-332,180,720.55-75,915,087.30

Finding the Fourth Proportional to 221,474,808.90, 332,180,720.55 and 75,915,087.30

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Solution

The fourth proportional to 221,474,808.90, 332,180,720.55 and 75,915,087.30 is: 113,861,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,474,808.90 : 332,180,720.55 = 75,915,087.30 : x
  2. Step 2: Convert to fraction form
    221,474,808.90/332,180,720.55 = 75,915,087.30/x
  3. Step 3: Cross multiply
    221,474,808.90x = 332,180,720.55 × 75,915,087.30
  4. Step 4: Simplify right side
    221,474,808.90x = 25,217,528,399,930,152
  5. Step 5: Solve for x
    x = 25,217,528,399,930,152/221,474,808.90
  6. Step 6: Final answer
    x = 113,861,836.14

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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.