Home / 187,120,514.10-258,213,200.55-108,798,511.02

Finding the Fourth Proportional to 187,120,514.10, 258,213,200.55 and 108,798,511.02

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Solution

The fourth proportional to 187,120,514.10, 258,213,200.55 and 108,798,511.02 is: 150,134,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,120,514.10 : 258,213,200.55 = 108,798,511.02 : x
  2. Step 2: Convert to fraction form
    187,120,514.10/258,213,200.55 = 108,798,511.02/x
  3. Step 3: Cross multiply
    187,120,514.10x = 258,213,200.55 × 108,798,511.02
  4. Step 4: Simplify right side
    187,120,514.10x = 28,093,211,745,548,644
  5. Step 5: Solve for x
    x = 28,093,211,745,548,644/187,120,514.10
  6. Step 6: Final answer
    x = 150,134,323.22

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1.5x scale

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.