Finding the Fourth Proportional to 53,862,755.51, 74,332,436.87 and 31,855,120.31
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Solution
The fourth proportional to 53,862,755.51, 74,332,436.87 and 31,855,120.31 is: 43,961,150.84
Step by Step Solution
- Step 1: Write the proportion equation
53,862,755.51 : 74,332,436.87 = 31,855,120.31 : x - Step 2: Convert to fraction form
53,862,755.51/74,332,436.87 = 31,855,120.31/x - Step 3: Cross multiply
53,862,755.51x = 74,332,436.87 × 31,855,120.31 - Step 4: Simplify right side
53,862,755.51x = 2,367,868,719,429,330 - Step 5: Solve for x
x = 2,367,868,719,429,330/53,862,755.51 - Step 6: Final answer
x = 43,961,150.84
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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.