Home / 171,090,468-256,533,213.11-54,455,443.02

Finding the Fourth Proportional to 171,090,468, 256,533,213.11 and 54,455,443.02

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Solution

The fourth proportional to 171,090,468, 256,533,213.11 and 54,455,443.02 is: 81,650,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,090,468 : 256,533,213.11 = 54,455,443.02 : x
  2. Step 2: Convert to fraction form
    171,090,468/256,533,213.11 = 54,455,443.02/x
  3. Step 3: Cross multiply
    171,090,468x = 256,533,213.11 × 54,455,443.02
  4. Step 4: Simplify right side
    171,090,468x = 13,969,629,768,976,846
  5. Step 5: Solve for x
    x = 13,969,629,768,976,846/171,090,468
  6. Step 6: Final answer
    x = 81,650,543.90

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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.