Home / 220,180,512.30-330,270,768.45-66,826,322.70

Finding the Fourth Proportional to 220,180,512.30, 330,270,768.45 and 66,826,322.70

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Solution

The fourth proportional to 220,180,512.30, 330,270,768.45 and 66,826,322.70 is: 100,239,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,180,512.30 : 330,270,768.45 = 66,826,322.70 : x
  2. Step 2: Convert to fraction form
    220,180,512.30/330,270,768.45 = 66,826,322.70/x
  3. Step 3: Cross multiply
    220,180,512.30x = 330,270,768.45 × 66,826,322.70
  4. Step 4: Simplify right side
    220,180,512.30x = 22,070,780,950,816,680
  5. Step 5: Solve for x
    x = 22,070,780,950,816,680/220,180,512.30
  6. Step 6: Final answer
    x = 100,239,484.05

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1.5x scale

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.