Home / 165,492,991-228,380,316.78-95,918,728.42

Finding the Fourth Proportional to 165,492,991, 228,380,316.78 and 95,918,728.42

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Solution

The fourth proportional to 165,492,991, 228,380,316.78 and 95,918,728.42 is: 132,367,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,492,991 : 228,380,316.78 = 95,918,728.42 : x
  2. Step 2: Convert to fraction form
    165,492,991/228,380,316.78 = 95,918,728.42/x
  3. Step 3: Cross multiply
    165,492,991x = 228,380,316.78 × 95,918,728.42
  4. Step 4: Simplify right side
    165,492,991x = 21,905,949,581,694,388
  5. Step 5: Solve for x
    x = 21,905,949,581,694,388/165,492,991
  6. Step 6: Final answer
    x = 132,367,838.96

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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.