Home / 213,397,799.52-294,485,124.60-120,576,314.46

Finding the Fourth Proportional to 213,397,799.52, 294,485,124.60 and 120,576,314.46

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Solution

The fourth proportional to 213,397,799.52, 294,485,124.60 and 120,576,314.46 is: 166,393,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,397,799.52 : 294,485,124.60 = 120,576,314.46 : x
  2. Step 2: Convert to fraction form
    213,397,799.52/294,485,124.60 = 120,576,314.46/x
  3. Step 3: Cross multiply
    213,397,799.52x = 294,485,124.60 × 120,576,314.46
  4. Step 4: Simplify right side
    213,397,799.52x = 35,507,930,987,561,884
  5. Step 5: Solve for x
    x = 35,507,930,987,561,884/213,397,799.52
  6. Step 6: Final answer
    x = 166,393,144.95

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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.