Finding the Fourth Proportional to 53,963,789.81, 74,470,252.77 and 29,183,976.14
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Solution
The fourth proportional to 53,963,789.81, 74,470,252.77 and 29,183,976.14 is: 40,274,007.58
Step by Step Solution
- Step 1: Write the proportion equation
53,963,789.81 : 74,470,252.77 = 29,183,976.14 : x - Step 2: Convert to fraction form
53,963,789.81/74,470,252.77 = 29,183,976.14/x - Step 3: Cross multiply
53,963,789.81x = 74,470,252.77 × 29,183,976.14 - Step 4: Simplify right side
53,963,789.81x = 2,173,338,079,607,097.75 - Step 5: Solve for x
x = 2,173,338,079,607,097.75/53,963,789.81 - Step 6: Final answer
x = 40,274,007.58
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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.