Home / 261,649,404.79-361,059,906.78-144,168,160.66

Finding the Fourth Proportional to 261,649,404.79, 361,059,906.78 and 144,168,160.66

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Solution

The fourth proportional to 261,649,404.79, 361,059,906.78 and 144,168,160.66 is: 198,943,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,649,404.79 : 361,059,906.78 = 144,168,160.66 : x
  2. Step 2: Convert to fraction form
    261,649,404.79/361,059,906.78 = 144,168,160.66/x
  3. Step 3: Cross multiply
    261,649,404.79x = 361,059,906.78 × 144,168,160.66
  4. Step 4: Simplify right side
    261,649,404.79x = 52,053,342,647,641,008
  5. Step 5: Solve for x
    x = 52,053,342,647,641,008/261,649,404.79
  6. Step 6: Final answer
    x = 198,943,095.97

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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.