Home / 220,192,204.80-330,070,140.24-103,398,488.64

Finding the Fourth Proportional to 220,192,204.80, 330,070,140.24 and 103,398,488.64

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Solution

The fourth proportional to 220,192,204.80, 330,070,140.24 and 103,398,488.64 is: 154,995,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,192,204.80 : 330,070,140.24 = 103,398,488.64 : x
  2. Step 2: Convert to fraction form
    220,192,204.80/330,070,140.24 = 103,398,488.64/x
  3. Step 3: Cross multiply
    220,192,204.80x = 330,070,140.24 × 103,398,488.64
  4. Step 4: Simplify right side
    220,192,204.80x = 34,128,753,646,008,848
  5. Step 5: Solve for x
    x = 34,128,753,646,008,848/220,192,204.80
  6. Step 6: Final answer
    x = 154,995,285.49

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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.