Home / 165,904,004.10-248,856,006.15-131,639,837.70

Finding the Fourth Proportional to 165,904,004.10, 248,856,006.15 and 131,639,837.70

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Solution

The fourth proportional to 165,904,004.10, 248,856,006.15 and 131,639,837.70 is: 197,459,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,904,004.10 : 248,856,006.15 = 131,639,837.70 : x
  2. Step 2: Convert to fraction form
    165,904,004.10/248,856,006.15 = 131,639,837.70/x
  3. Step 3: Cross multiply
    165,904,004.10x = 248,856,006.15 × 131,639,837.70
  4. Step 4: Simplify right side
    165,904,004.10x = 32,759,364,260,256,204
  5. Step 5: Solve for x
    x = 32,759,364,260,256,204/165,904,004.10
  6. Step 6: Final answer
    x = 197,459,756.55

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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.