Finding the Fourth Proportional to 54,015,906.31, 74,541,944.42 and 29,236,088.63
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Solution
The fourth proportional to 54,015,906.31, 74,541,944.42 and 29,236,088.63 is: 40,345,798.91
Step by Step Solution
- Step 1: Write the proportion equation
54,015,906.31 : 74,541,944.42 = 29,236,088.63 : x - Step 2: Convert to fraction form
54,015,906.31/74,541,944.42 = 29,236,088.63/x - Step 3: Cross multiply
54,015,906.31x = 74,541,944.42 × 29,236,088.63 - Step 4: Simplify right side
54,015,906.31x = 2,179,314,893,865,463.75 - Step 5: Solve for x
x = 2,179,314,893,865,463.75/54,015,906.31 - Step 6: Final answer
x = 40,345,798.91
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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.