Home / 165,492,343.20-248,380,232.40-73,517,620.80

Finding the Fourth Proportional to 165,492,343.20, 248,380,232.40 and 73,517,620.80

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Solution

The fourth proportional to 165,492,343.20, 248,380,232.40 and 73,517,620.80 is: 110,339,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,492,343.20 : 248,380,232.40 = 73,517,620.80 : x
  2. Step 2: Convert to fraction form
    165,492,343.20/248,380,232.40 = 73,517,620.80/x
  3. Step 3: Cross multiply
    165,492,343.20x = 248,380,232.40 × 73,517,620.80
  4. Step 4: Simplify right side
    165,492,343.20x = 18,260,323,739,799,072
  5. Step 5: Solve for x
    x = 18,260,323,739,799,072/165,492,343.20
  6. Step 6: Final answer
    x = 110,339,387.23

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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.