Home / 188,529,985.52-260,167,300.68-109,148,394.16

Finding the Fourth Proportional to 188,529,985.52, 260,167,300.68 and 109,148,394.16

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Solution

The fourth proportional to 188,529,985.52, 260,167,300.68 and 109,148,394.16 is: 150,622,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529,985.52 : 260,167,300.68 = 109,148,394.16 : x
  2. Step 2: Convert to fraction form
    188,529,985.52/260,167,300.68 = 109,148,394.16/x
  3. Step 3: Cross multiply
    188,529,985.52x = 260,167,300.68 × 109,148,394.16
  4. Step 4: Simplify right side
    188,529,985.52x = 28,396,843,082,163,876
  5. Step 5: Solve for x
    x = 28,396,843,082,163,876/188,529,985.52
  6. Step 6: Final answer
    x = 150,622,422.23

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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.