Home / 165,740,899.20-228,649,881.44-158,056,656

Finding the Fourth Proportional to 165,740,899.20, 228,649,881.44 and 158,056,656

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Solution

The fourth proportional to 165,740,899.20, 228,649,881.44 and 158,056,656 is: 218,048,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,740,899.20 : 228,649,881.44 = 158,056,656 : x
  2. Step 2: Convert to fraction form
    165,740,899.20/228,649,881.44 = 158,056,656/x
  3. Step 3: Cross multiply
    165,740,899.20x = 228,649,881.44 × 158,056,656
  4. Step 4: Simplify right side
    165,740,899.20x = 36,139,635,655,202,864
  5. Step 5: Solve for x
    x = 36,139,635,655,202,864/165,740,899.20
  6. Step 6: Final answer
    x = 218,048,989.90

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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.