Home / 151,277,616.38-208,859,500.19-123,466,665.30

Finding the Fourth Proportional to 151,277,616.38, 208,859,500.19 and 123,466,665.30

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Solution

The fourth proportional to 151,277,616.38, 208,859,500.19 and 123,466,665.30 is: 170,462,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,277,616.38 : 208,859,500.19 = 123,466,665.30 : x
  2. Step 2: Convert to fraction form
    151,277,616.38/208,859,500.19 = 123,466,665.30/x
  3. Step 3: Cross multiply
    151,277,616.38x = 208,859,500.19 × 123,466,665.30
  4. Step 4: Simplify right side
    151,277,616.38x = 25,787,186,004,684,016
  5. Step 5: Solve for x
    x = 25,787,186,004,684,016/151,277,616.38
  6. Step 6: Final answer
    x = 170,462,667.39

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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.