Home / 339,273,663.20-508,910,494.80-121,170,276.80

Finding the Fourth Proportional to 339,273,663.20, 508,910,494.80 and 121,170,276.80

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Solution

The fourth proportional to 339,273,663.20, 508,910,494.80 and 121,170,276.80 is: 181,755,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,273,663.20 : 508,910,494.80 = 121,170,276.80 : x
  2. Step 2: Convert to fraction form
    339,273,663.20/508,910,494.80 = 121,170,276.80/x
  3. Step 3: Cross multiply
    339,273,663.20x = 508,910,494.80 × 121,170,276.80
  4. Step 4: Simplify right side
    339,273,663.20x = 61,664,825,521,340,960
  5. Step 5: Solve for x
    x = 61,664,825,521,340,960/339,273,663.20
  6. Step 6: Final answer
    x = 181,755,415.20

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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.