Home / 196,349,811.35-270,964,572.86-108,246,972.38

Finding the Fourth Proportional to 196,349,811.35, 270,964,572.86 and 108,246,972.38

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Solution

The fourth proportional to 196,349,811.35, 270,964,572.86 and 108,246,972.38 is: 149,381,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,349,811.35 : 270,964,572.86 = 108,246,972.38 : x
  2. Step 2: Convert to fraction form
    196,349,811.35/270,964,572.86 = 108,246,972.38/x
  3. Step 3: Cross multiply
    196,349,811.35x = 270,964,572.86 × 108,246,972.38
  4. Step 4: Simplify right side
    196,349,811.35x = 29,331,094,633,793,684
  5. Step 5: Solve for x
    x = 29,331,094,633,793,684/196,349,811.35
  6. Step 6: Final answer
    x = 149,381,832.52

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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.