Home / 196,321,315.61-270,935,536.97-108,215,114.87

Finding the Fourth Proportional to 196,321,315.61, 270,935,536.97 and 108,215,114.87

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Solution

The fourth proportional to 196,321,315.61, 270,935,536.97 and 108,215,114.87 is: 149,343,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,315.61 : 270,935,536.97 = 108,215,114.87 : x
  2. Step 2: Convert to fraction form
    196,321,315.61/270,935,536.97 = 108,215,114.87/x
  3. Step 3: Cross multiply
    196,321,315.61x = 270,935,536.97 × 108,215,114.87
  4. Step 4: Simplify right side
    196,321,315.61x = 29,319,320,255,573,688
  5. Step 5: Solve for x
    x = 29,319,320,255,573,688/196,321,315.61
  6. Step 6: Final answer
    x = 149,343,540.03

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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.