Home / 165,080,081.10-247,620,121.65-162,529,164.30

Finding the Fourth Proportional to 165,080,081.10, 247,620,121.65 and 162,529,164.30

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Solution

The fourth proportional to 165,080,081.10, 247,620,121.65 and 162,529,164.30 is: 243,793,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,080,081.10 : 247,620,121.65 = 162,529,164.30 : x
  2. Step 2: Convert to fraction form
    165,080,081.10/247,620,121.65 = 162,529,164.30/x
  3. Step 3: Cross multiply
    165,080,081.10x = 247,620,121.65 × 162,529,164.30
  4. Step 4: Simplify right side
    165,080,081.10x = 40,245,491,435,638,840
  5. Step 5: Solve for x
    x = 40,245,491,435,638,840/165,080,081.10
  6. Step 6: Final answer
    x = 243,793,746.45

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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.