Home / 171,422,269-257,201,532.06-54,855,583.72

Finding the Fourth Proportional to 171,422,269, 257,201,532.06 and 54,855,583.72

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Solution

The fourth proportional to 171,422,269, 257,201,532.06 and 54,855,583.72 is: 82,305,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,422,269 : 257,201,532.06 = 54,855,583.72 : x
  2. Step 2: Convert to fraction form
    171,422,269/257,201,532.06 = 54,855,583.72/x
  3. Step 3: Cross multiply
    171,422,269x = 257,201,532.06 × 54,855,583.72
  4. Step 4: Simplify right side
    171,422,269x = 14,108,940,174,829,594
  5. Step 5: Solve for x
    x = 14,108,940,174,829,594/171,422,269
  6. Step 6: Final answer
    x = 82,305,176.90

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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.