Home / 165,888,852.80-248,833,279.20-80,954,196.80

Finding the Fourth Proportional to 165,888,852.80, 248,833,279.20 and 80,954,196.80

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Solution

The fourth proportional to 165,888,852.80, 248,833,279.20 and 80,954,196.80 is: 121,431,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,852.80 : 248,833,279.20 = 80,954,196.80 : x
  2. Step 2: Convert to fraction form
    165,888,852.80/248,833,279.20 = 80,954,196.80/x
  3. Step 3: Cross multiply
    165,888,852.80x = 248,833,279.20 × 80,954,196.80
  4. Step 4: Simplify right side
    165,888,852.80x = 20,144,098,254,746,144
  5. Step 5: Solve for x
    x = 20,144,098,254,746,144/165,888,852.80
  6. Step 6: Final answer
    x = 121,431,295.20

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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.