Home / 201,353,416.38-277,889,035.23-123,082,785.90

Finding the Fourth Proportional to 201,353,416.38, 277,889,035.23 and 123,082,785.90

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Solution

The fourth proportional to 201,353,416.38, 277,889,035.23 and 123,082,785.90 is: 169,867,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,353,416.38 : 277,889,035.23 = 123,082,785.90 : x
  2. Step 2: Convert to fraction form
    201,353,416.38/277,889,035.23 = 123,082,785.90/x
  3. Step 3: Cross multiply
    201,353,416.38x = 277,889,035.23 × 123,082,785.90
  4. Step 4: Simplify right side
    201,353,416.38x = 34,203,356,627,171,652
  5. Step 5: Solve for x
    x = 34,203,356,627,171,652/201,353,416.38
  6. Step 6: Final answer
    x = 169,867,277.36

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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.