Home / 78,707,188.44-108,616,297.32-43,424,991.77

Finding the Fourth Proportional to 78,707,188.44, 108,616,297.32 and 43,424,991.77

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Solution

The fourth proportional to 78,707,188.44, 108,616,297.32 and 43,424,991.77 is: 59,926,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707,188.44 : 108,616,297.32 = 43,424,991.77 : x
  2. Step 2: Convert to fraction form
    78,707,188.44/108,616,297.32 = 43,424,991.77/x
  3. Step 3: Cross multiply
    78,707,188.44x = 108,616,297.32 × 43,424,991.77
  4. Step 4: Simplify right side
    78,707,188.44x = 4,716,661,816,665,791
  5. Step 5: Solve for x
    x = 4,716,661,816,665,791/78,707,188.44
  6. Step 6: Final answer
    x = 59,926,696.79

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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.