Home / 165,492,342.20-248,380,230.90-73,517,619.80

Finding the Fourth Proportional to 165,492,342.20, 248,380,230.90 and 73,517,619.80

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Solution

The fourth proportional to 165,492,342.20, 248,380,230.90 and 73,517,619.80 is: 110,339,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,492,342.20 : 248,380,230.90 = 73,517,619.80 : x
  2. Step 2: Convert to fraction form
    165,492,342.20/248,380,230.90 = 73,517,619.80/x
  3. Step 3: Cross multiply
    165,492,342.20x = 248,380,230.90 × 73,517,619.80
  4. Step 4: Simplify right side
    165,492,342.20x = 18,260,323,381,142,412
  5. Step 5: Solve for x
    x = 18,260,323,381,142,412/165,492,342.20
  6. Step 6: Final answer
    x = 110,339,385.73

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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.