Home / 196,321,313.86-270,935,534.55-108,215,113.12

Finding the Fourth Proportional to 196,321,313.86, 270,935,534.55 and 108,215,113.12

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Solution

The fourth proportional to 196,321,313.86, 270,935,534.55 and 108,215,113.12 is: 149,343,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,313.86 : 270,935,534.55 = 108,215,113.12 : x
  2. Step 2: Convert to fraction form
    196,321,313.86/270,935,534.55 = 108,215,113.12/x
  3. Step 3: Cross multiply
    196,321,313.86x = 270,935,534.55 × 108,215,113.12
  4. Step 4: Simplify right side
    196,321,313.86x = 29,319,319,519,555,920
  5. Step 5: Solve for x
    x = 29,319,319,519,555,920/196,321,313.86
  6. Step 6: Final answer
    x = 149,343,537.61

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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.