Home / 220,235,142.91-303,800,541.55-132,105,691.39

Finding the Fourth Proportional to 220,235,142.91, 303,800,541.55 and 132,105,691.39

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Solution

The fourth proportional to 220,235,142.91, 303,800,541.55 and 132,105,691.39 is: 182,231,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,235,142.91 : 303,800,541.55 = 132,105,691.39 : x
  2. Step 2: Convert to fraction form
    220,235,142.91/303,800,541.55 = 132,105,691.39/x
  3. Step 3: Cross multiply
    220,235,142.91x = 303,800,541.55 × 132,105,691.39
  4. Step 4: Simplify right side
    220,235,142.91x = 40,133,780,586,119,176
  5. Step 5: Solve for x
    x = 40,133,780,586,119,176/220,235,142.91
  6. Step 6: Final answer
    x = 182,231,500.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.