Home / 261,481,813.92-360,884,132.88-198,654,525.12

Finding the Fourth Proportional to 261,481,813.92, 360,884,132.88 and 198,654,525.12

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Solution

The fourth proportional to 261,481,813.92, 360,884,132.88 and 198,654,525.12 is: 274,173,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,481,813.92 : 360,884,132.88 = 198,654,525.12 : x
  2. Step 2: Convert to fraction form
    261,481,813.92/360,884,132.88 = 198,654,525.12/x
  3. Step 3: Cross multiply
    261,481,813.92x = 360,884,132.88 × 198,654,525.12
  4. Step 4: Simplify right side
    261,481,813.92x = 71,691,266,040,619,376
  5. Step 5: Solve for x
    x = 71,691,266,040,619,376/261,481,813.92
  6. Step 6: Final answer
    x = 274,173,048.47

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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.