Finding the Fourth Proportional to 137,605,755.06, 189,895,968.99 and 75,726,093.96
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Solution
The fourth proportional to 137,605,755.06, 189,895,968.99 and 75,726,093.96 is: 104,502,024.53
Step by Step Solution
- Step 1: Write the proportion equation
137,605,755.06 : 189,895,968.99 = 75,726,093.96 : x - Step 2: Convert to fraction form
137,605,755.06/189,895,968.99 = 75,726,093.96/x - Step 3: Cross multiply
137,605,755.06x = 189,895,968.99 × 75,726,093.96 - Step 4: Simplify right side
137,605,755.06x = 14,380,079,990,361,986 - Step 5: Solve for x
x = 14,380,079,990,361,986/137,605,755.06 - Step 6: Final answer
x = 104,502,024.53
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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.