Home / 187,120,514.64-258,213,201.20-108,798,511.52

Finding the Fourth Proportional to 187,120,514.64, 258,213,201.20 and 108,798,511.52

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Solution

The fourth proportional to 187,120,514.64, 258,213,201.20 and 108,798,511.52 is: 150,134,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,120,514.64 : 258,213,201.20 = 108,798,511.52 : x
  2. Step 2: Convert to fraction form
    187,120,514.64/258,213,201.20 = 108,798,511.52/x
  3. Step 3: Cross multiply
    187,120,514.64x = 258,213,201.20 × 108,798,511.52
  4. Step 4: Simplify right side
    187,120,514.64x = 28,093,211,945,374,276
  5. Step 5: Solve for x
    x = 28,093,211,945,374,276/187,120,514.64
  6. Step 6: Final answer
    x = 150,134,323.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.