Home / 71,142,302,732.56-98,175,796,690.62-38,589,434,892.55

Finding the Fourth Proportional to 71,142,302,732.56, 98,175,796,690.62 and 38,589,434,892.55

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Solution

The fourth proportional to 71,142,302,732.56, 98,175,796,690.62 and 38,589,434,892.55 is: 53,253,104,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142,302,732.56 : 98,175,796,690.62 = 38,589,434,892.55 : x
  2. Step 2: Convert to fraction form
    71,142,302,732.56/98,175,796,690.62 = 38,589,434,892.55/x
  3. Step 3: Cross multiply
    71,142,302,732.56x = 98,175,796,690.62 × 38,589,434,892.55
  4. Step 4: Simplify right side
    71,142,302,732.56x = 3,788,548,514,416,906,207,232
  5. Step 5: Solve for x
    x = 3,788,548,514,416,906,207,232/71,142,302,732.56
  6. Step 6: Final answer
    x = 53,253,104,958.65

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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.