Home / 196,238,335.96-270,814,680.28-108,138,008.76

Finding the Fourth Proportional to 196,238,335.96, 270,814,680.28 and 108,138,008.76

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Solution

The fourth proportional to 196,238,335.96, 270,814,680.28 and 108,138,008.76 is: 149,233,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,238,335.96 : 270,814,680.28 = 108,138,008.76 : x
  2. Step 2: Convert to fraction form
    196,238,335.96/270,814,680.28 = 108,138,008.76/x
  3. Step 3: Cross multiply
    196,238,335.96x = 270,814,680.28 × 108,138,008.76
  4. Step 4: Simplify right side
    196,238,335.96x = 29,285,360,268,455,236
  5. Step 5: Solve for x
    x = 29,285,360,268,455,236/196,238,335.96
  6. Step 6: Final answer
    x = 149,233,635.34

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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.