Home / 72,612,108.45-108,918,162.68-27,167,998.05

Finding the Fourth Proportional to 72,612,108.45, 108,918,162.68 and 27,167,998.05

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Solution

The fourth proportional to 72,612,108.45, 108,918,162.68 and 27,167,998.05 is: 40,751,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,612,108.45 : 108,918,162.68 = 27,167,998.05 : x
  2. Step 2: Convert to fraction form
    72,612,108.45/108,918,162.68 = 27,167,998.05/x
  3. Step 3: Cross multiply
    72,612,108.45x = 108,918,162.68 × 27,167,998.05
  4. Step 4: Simplify right side
    72,612,108.45x = 2,959,088,431,163,983
  5. Step 5: Solve for x
    x = 2,959,088,431,163,983/72,612,108.45
  6. Step 6: Final answer
    x = 40,751,997.08

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Double scale
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Similar ratio
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1.5x scale

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.