Home / 209,824,094.52-289,557,529.36-115,736,131.44

Finding the Fourth Proportional to 209,824,094.52, 289,557,529.36 and 115,736,131.44

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Solution

The fourth proportional to 209,824,094.52, 289,557,529.36 and 115,736,131.44 is: 159,716,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,824,094.52 : 289,557,529.36 = 115,736,131.44 : x
  2. Step 2: Convert to fraction form
    209,824,094.52/289,557,529.36 = 115,736,131.44/x
  3. Step 3: Cross multiply
    209,824,094.52x = 289,557,529.36 × 115,736,131.44
  4. Step 4: Simplify right side
    209,824,094.52x = 33,512,268,277,450,620
  5. Step 5: Solve for x
    x = 33,512,268,277,450,620/209,824,094.52
  6. Step 6: Final answer
    x = 159,716,015.24

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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.