Home / 339,525,629.30-509,079,876.40-132,022,165.78

Finding the Fourth Proportional to 339,525,629.30, 509,079,876.40 and 132,022,165.78

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Solution

The fourth proportional to 339,525,629.30, 509,079,876.40 and 132,022,165.78 is: 197,952,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,525,629.30 : 509,079,876.40 = 132,022,165.78 : x
  2. Step 2: Convert to fraction form
    339,525,629.30/509,079,876.40 = 132,022,165.78/x
  3. Step 3: Cross multiply
    339,525,629.30x = 509,079,876.40 × 132,022,165.78
  4. Step 4: Simplify right side
    339,525,629.30x = 67,209,827,837,342,704
  5. Step 5: Solve for x
    x = 67,209,827,837,342,704/339,525,629.30
  6. Step 6: Final answer
    x = 197,952,148.64

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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.