Finding the Fourth Proportional to 122,519,191.94, 183,667,553.85 and 61,127,127.62
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Solution
The fourth proportional to 122,519,191.94, 183,667,553.85 and 61,127,127.62 is: 91,635,194.67
Step by Step Solution
- Step 1: Write the proportion equation
122,519,191.94 : 183,667,553.85 = 61,127,127.62 : x - Step 2: Convert to fraction form
122,519,191.94/183,667,553.85 = 61,127,127.62/x - Step 3: Cross multiply
122,519,191.94x = 183,667,553.85 × 61,127,127.62 - Step 4: Simplify right side
122,519,191.94x = 11,227,070,003,842,172 - Step 5: Solve for x
x = 11,227,070,003,842,172/122,519,191.94 - Step 6: Final answer
x = 91,635,194.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.