Home / 265,635,905.60-366,438,141.60-216,131,634.56

Finding the Fourth Proportional to 265,635,905.60, 366,438,141.60 and 216,131,634.56

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Solution

The fourth proportional to 265,635,905.60, 366,438,141.60 and 216,131,634.56 is: 298,148,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,635,905.60 : 366,438,141.60 = 216,131,634.56 : x
  2. Step 2: Convert to fraction form
    265,635,905.60/366,438,141.60 = 216,131,634.56/x
  3. Step 3: Cross multiply
    265,635,905.60x = 366,438,141.60 × 216,131,634.56
  4. Step 4: Simplify right side
    265,635,905.60x = 79,198,874,509,136,736
  5. Step 5: Solve for x
    x = 79,198,874,509,136,736/265,635,905.60
  6. Step 6: Final answer
    x = 298,148,227.85

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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.