Home / 275,347,556.79-379,965,960.49-151,585,576.71

Finding the Fourth Proportional to 275,347,556.79, 379,965,960.49 and 151,585,576.71

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Solution

The fourth proportional to 275,347,556.79, 379,965,960.49 and 151,585,576.71 is: 209,180,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,556.79 : 379,965,960.49 = 151,585,576.71 : x
  2. Step 2: Convert to fraction form
    275,347,556.79/379,965,960.49 = 151,585,576.71/x
  3. Step 3: Cross multiply
    275,347,556.79x = 379,965,960.49 × 151,585,576.71
  4. Step 4: Simplify right side
    275,347,556.79x = 57,597,359,251,045,728
  5. Step 5: Solve for x
    x = 57,597,359,251,045,728/275,347,556.79
  6. Step 6: Final answer
    x = 209,180,571.36

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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.