Home / 191,200,669,841.88-263,880,061,614.46-108,821,458,690.12

Finding the Fourth Proportional to 191,200,669,841.88, 263,880,061,614.46 and 108,821,458,690.12

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Solution

The fourth proportional to 191,200,669,841.88, 263,880,061,614.46 and 108,821,458,690.12 is: 150,186,781,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200,669,841.88 : 263,880,061,614.46 = 108,821,458,690.12 : x
  2. Step 2: Convert to fraction form
    191,200,669,841.88/263,880,061,614.46 = 108,821,458,690.12/x
  3. Step 3: Cross multiply
    191,200,669,841.88x = 263,880,061,614.46 × 108,821,458,690.12
  4. Step 4: Simplify right side
    191,200,669,841.88x = 28,715,813,224,124,275,228,672
  5. Step 5: Solve for x
    x = 28,715,813,224,124,275,228,672/191,200,669,841.88
  6. Step 6: Final answer
    x = 150,186,781,499.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.