Home / 261,947,287.13-393,193,461.26-192,938,013.59

Finding the Fourth Proportional to 261,947,287.13, 393,193,461.26 and 192,938,013.59

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Solution

The fourth proportional to 261,947,287.13, 393,193,461.26 and 192,938,013.59 is: 289,607,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,947,287.13 : 393,193,461.26 = 192,938,013.59 : x
  2. Step 2: Convert to fraction form
    261,947,287.13/393,193,461.26 = 192,938,013.59/x
  3. Step 3: Cross multiply
    261,947,287.13x = 393,193,461.26 × 192,938,013.59
  4. Step 4: Simplify right side
    261,947,287.13x = 75,861,965,370,597,392
  5. Step 5: Solve for x
    x = 75,861,965,370,597,392/261,947,287.13
  6. Step 6: Final answer
    x = 289,607,753.54

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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.