Home / 540,728,525.88-810,768,879.70-172,104,251.96

Finding the Fourth Proportional to 540,728,525.88, 810,768,879.70 and 172,104,251.96

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Solution

The fourth proportional to 540,728,525.88, 810,768,879.70 and 172,104,251.96 is: 258,053,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,728,525.88 : 810,768,879.70 = 172,104,251.96 : x
  2. Step 2: Convert to fraction form
    540,728,525.88/810,768,879.70 = 172,104,251.96/x
  3. Step 3: Cross multiply
    540,728,525.88x = 810,768,879.70 × 172,104,251.96
  4. Step 4: Simplify right side
    540,728,525.88x = 139,536,771,553,215,744
  5. Step 5: Solve for x
    x = 139,536,771,553,215,744/540,728,525.88
  6. Step 6: Final answer
    x = 258,053,283.44

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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.