Home / 211,080,601.72-316,625,500.72-148,576,495.28

Finding the Fourth Proportional to 211,080,601.72, 316,625,500.72 and 148,576,495.28

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Solution

The fourth proportional to 211,080,601.72, 316,625,500.72 and 148,576,495.28 is: 222,867,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,080,601.72 : 316,625,500.72 = 148,576,495.28 : x
  2. Step 2: Convert to fraction form
    211,080,601.72/316,625,500.72 = 148,576,495.28/x
  3. Step 3: Cross multiply
    211,080,601.72x = 316,625,500.72 × 148,576,495.28
  4. Step 4: Simplify right side
    211,080,601.72x = 47,043,107,213,252,720
  5. Step 5: Solve for x
    x = 47,043,107,213,252,720/211,080,601.72
  6. Step 6: Final answer
    x = 222,867,979.48

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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.