Home / 77,278,544.60-115,917,816.90-41,446,736.60

Finding the Fourth Proportional to 77,278,544.60, 115,917,816.90 and 41,446,736.60

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Solution

The fourth proportional to 77,278,544.60, 115,917,816.90 and 41,446,736.60 is: 62,170,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278,544.60 : 115,917,816.90 = 41,446,736.60 : x
  2. Step 2: Convert to fraction form
    77,278,544.60/115,917,816.90 = 41,446,736.60/x
  3. Step 3: Cross multiply
    77,278,544.60x = 115,917,816.90 × 41,446,736.60
  4. Step 4: Simplify right side
    77,278,544.60x = 4,804,415,224,301,329
  5. Step 5: Solve for x
    x = 4,804,415,224,301,329/77,278,544.60
  6. Step 6: Final answer
    x = 62,170,104.90

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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.