Home / 261,342,245.40-392,202,324.90-146,204,568.60

Finding the Fourth Proportional to 261,342,245.40, 392,202,324.90 and 146,204,568.60

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Solution

The fourth proportional to 261,342,245.40, 392,202,324.90 and 146,204,568.60 is: 219,412,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,342,245.40 : 392,202,324.90 = 146,204,568.60 : x
  2. Step 2: Convert to fraction form
    261,342,245.40/392,202,324.90 = 146,204,568.60/x
  3. Step 3: Cross multiply
    261,342,245.40x = 392,202,324.90 × 146,204,568.60
  4. Step 4: Simplify right side
    261,342,245.40x = 57,341,771,715,921,536
  5. Step 5: Solve for x
    x = 57,341,771,715,921,536/261,342,245.40
  6. Step 6: Final answer
    x = 219,412,562.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.