Finding the Fourth Proportional to 135,777,190.11, 203,797,316.81 and 128,403,446.23
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Solution
The fourth proportional to 135,777,190.11, 203,797,316.81 and 128,403,446.23 is: 192,729,557.82
Step by Step Solution
- Step 1: Write the proportion equation
135,777,190.11 : 203,797,316.81 = 128,403,446.23 : x - Step 2: Convert to fraction form
135,777,190.11/203,797,316.81 = 128,403,446.23/x - Step 3: Cross multiply
135,777,190.11x = 203,797,316.81 × 128,403,446.23 - Step 4: Simplify right side
135,777,190.11x = 26,168,277,810,685,240 - Step 5: Solve for x
x = 26,168,277,810,685,240/135,777,190.11 - Step 6: Final answer
x = 192,729,557.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.