Finding the Fourth Proportional to 55,324,284.36, 76,354,207.22 and 31,487,707.02
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Solution
The fourth proportional to 55,324,284.36, 76,354,207.22 and 31,487,707.02 is: 43,456,846.02
Step by Step Solution
- Step 1: Write the proportion equation
55,324,284.36 : 76,354,207.22 = 31,487,707.02 : x - Step 2: Convert to fraction form
55,324,284.36/76,354,207.22 = 31,487,707.02/x - Step 3: Cross multiply
55,324,284.36x = 76,354,207.22 × 31,487,707.02 - Step 4: Simplify right side
55,324,284.36x = 2,404,218,906,530,290 - Step 5: Solve for x
x = 2,404,218,906,530,290/55,324,284.36 - Step 6: Final answer
x = 43,456,846.02
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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.