Home / 275,347,556.29-379,965,959.80-151,585,576.21

Finding the Fourth Proportional to 275,347,556.29, 379,965,959.80 and 151,585,576.21

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Solution

The fourth proportional to 275,347,556.29, 379,965,959.80 and 151,585,576.21 is: 209,180,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,556.29 : 379,965,959.80 = 151,585,576.21 : x
  2. Step 2: Convert to fraction form
    275,347,556.29/379,965,959.80 = 151,585,576.21/x
  3. Step 3: Cross multiply
    275,347,556.29x = 379,965,959.80 × 151,585,576.21
  4. Step 4: Simplify right side
    275,347,556.29x = 57,597,358,956,468,704
  5. Step 5: Solve for x
    x = 57,597,358,956,468,704/275,347,556.29
  6. Step 6: Final answer
    x = 209,180,570.67

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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.