Home / 165,888,769.80-248,833,154.70-80,954,113.80

Finding the Fourth Proportional to 165,888,769.80, 248,833,154.70 and 80,954,113.80

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Solution

The fourth proportional to 165,888,769.80, 248,833,154.70 and 80,954,113.80 is: 121,431,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,769.80 : 248,833,154.70 = 80,954,113.80 : x
  2. Step 2: Convert to fraction form
    165,888,769.80/248,833,154.70 = 80,954,113.80/x
  3. Step 3: Cross multiply
    165,888,769.80x = 248,833,154.70 × 80,954,113.80
  4. Step 4: Simplify right side
    165,888,769.80x = 20,144,067,522,796,804
  5. Step 5: Solve for x
    x = 20,144,067,522,796,804/165,888,769.80
  6. Step 6: Final answer
    x = 121,431,170.70

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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.