Home / 171,143,964.30-256,651,604.91-61,942,155.42

Finding the Fourth Proportional to 171,143,964.30, 256,651,604.91 and 61,942,155.42

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Solution

The fourth proportional to 171,143,964.30, 256,651,604.91 and 61,942,155.42 is: 92,889,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,143,964.30 : 256,651,604.91 = 61,942,155.42 : x
  2. Step 2: Convert to fraction form
    171,143,964.30/256,651,604.91 = 61,942,155.42/x
  3. Step 3: Cross multiply
    171,143,964.30x = 256,651,604.91 × 61,942,155.42
  4. Step 4: Simplify right side
    171,143,964.30x = 15,897,553,600,127,656
  5. Step 5: Solve for x
    x = 15,897,553,600,127,656/171,143,964.30
  6. Step 6: Final answer
    x = 92,889,945.99

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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.