Home / 78,707,188.05-108,616,296.79-43,424,991.37

Finding the Fourth Proportional to 78,707,188.05, 108,616,296.79 and 43,424,991.37

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Solution

The fourth proportional to 78,707,188.05, 108,616,296.79 and 43,424,991.37 is: 59,926,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707,188.05 : 108,616,296.79 = 43,424,991.37 : x
  2. Step 2: Convert to fraction form
    78,707,188.05/108,616,296.79 = 43,424,991.37/x
  3. Step 3: Cross multiply
    78,707,188.05x = 108,616,296.79 × 43,424,991.37
  4. Step 4: Simplify right side
    78,707,188.05x = 4,716,661,750,937,161
  5. Step 5: Solve for x
    x = 4,716,661,750,937,161/78,707,188.05
  6. Step 6: Final answer
    x = 59,926,696.25

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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.