Home / 221,434,292.80-332,151,439.20-220,158,834.40

Finding the Fourth Proportional to 221,434,292.80, 332,151,439.20 and 220,158,834.40

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Solution

The fourth proportional to 221,434,292.80, 332,151,439.20 and 220,158,834.40 is: 330,238,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,292.80 : 332,151,439.20 = 220,158,834.40 : x
  2. Step 2: Convert to fraction form
    221,434,292.80/332,151,439.20 = 220,158,834.40/x
  3. Step 3: Cross multiply
    221,434,292.80x = 332,151,439.20 × 220,158,834.40
  4. Step 4: Simplify right side
    221,434,292.80x = 73,126,073,698,554,464
  5. Step 5: Solve for x
    x = 73,126,073,698,554,464/221,434,292.80
  6. Step 6: Final answer
    x = 330,238,251.60

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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.