Finding the Fourth Proportional to 132,274,669.94, 182,539,754.28 and 72,739,805.09
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Solution
The fourth proportional to 132,274,669.94, 182,539,754.28 and 72,739,805.09 is: 100,381,321.32
Step by Step Solution
- Step 1: Write the proportion equation
132,274,669.94 : 182,539,754.28 = 72,739,805.09 : x - Step 2: Convert to fraction form
132,274,669.94/182,539,754.28 = 72,739,805.09/x - Step 3: Cross multiply
132,274,669.94x = 182,539,754.28 × 72,739,805.09 - Step 4: Simplify right side
132,274,669.94x = 13,277,906,146,590,994 - Step 5: Solve for x
x = 13,277,906,146,590,994/132,274,669.94 - Step 6: Final answer
x = 100,381,321.32
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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.