Home / 189,504,088.83-261,517,445.52-111,188,974.77

Finding the Fourth Proportional to 189,504,088.83, 261,517,445.52 and 111,188,974.77

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Solution

The fourth proportional to 189,504,088.83, 261,517,445.52 and 111,188,974.77 is: 153,441,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,504,088.83 : 261,517,445.52 = 111,188,974.77 : x
  2. Step 2: Convert to fraction form
    189,504,088.83/261,517,445.52 = 111,188,974.77/x
  3. Step 3: Cross multiply
    189,504,088.83x = 261,517,445.52 × 111,188,974.77
  4. Step 4: Simplify right side
    189,504,088.83x = 29,077,856,651,838,128
  5. Step 5: Solve for x
    x = 29,077,856,651,838,128/189,504,088.83
  6. Step 6: Final answer
    x = 153,441,843.03

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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.