Home / 196,321,357.94-270,935,595.09-108,215,156.90

Finding the Fourth Proportional to 196,321,357.94, 270,935,595.09 and 108,215,156.90

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Solution

The fourth proportional to 196,321,357.94, 270,935,595.09 and 108,215,156.90 is: 149,343,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,357.94 : 270,935,595.09 = 108,215,156.90 : x
  2. Step 2: Convert to fraction form
    196,321,357.94/270,935,595.09 = 108,215,156.90/x
  3. Step 3: Cross multiply
    196,321,357.94x = 270,935,595.09 × 108,215,156.90
  4. Step 4: Simplify right side
    196,321,357.94x = 29,319,337,932,459,220
  5. Step 5: Solve for x
    x = 29,319,337,932,459,220/196,321,357.94
  6. Step 6: Final answer
    x = 149,343,597.86

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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.