Home / 196,321,314.36-270,935,535.24-108,215,113.62

Finding the Fourth Proportional to 196,321,314.36, 270,935,535.24 and 108,215,113.62

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Solution

The fourth proportional to 196,321,314.36, 270,935,535.24 and 108,215,113.62 is: 149,343,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,314.36 : 270,935,535.24 = 108,215,113.62 : x
  2. Step 2: Convert to fraction form
    196,321,314.36/270,935,535.24 = 108,215,113.62/x
  3. Step 3: Cross multiply
    196,321,314.36x = 270,935,535.24 × 108,215,113.62
  4. Step 4: Simplify right side
    196,321,314.36x = 29,319,319,729,692,116
  5. Step 5: Solve for x
    x = 29,319,319,729,692,116/196,321,314.36
  6. Step 6: Final answer
    x = 149,343,538.30

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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.