Finding the Fourth Proportional to 135,353,981.91, 186,788,732.00 and 73,474,362.39
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Solution
The fourth proportional to 135,353,981.91, 186,788,732.00 and 73,474,362.39 is: 101,394,748.73
Step by Step Solution
- Step 1: Write the proportion equation
135,353,981.91 : 186,788,732.00 = 73,474,362.39 : x - Step 2: Convert to fraction form
135,353,981.91/186,788,732.00 = 73,474,362.39/x - Step 3: Cross multiply
135,353,981.91x = 186,788,732.00 × 73,474,362.39 - Step 4: Simplify right side
135,353,981.91x = 13,724,182,984,969,218 - Step 5: Solve for x
x = 13,724,182,984,969,218/135,353,981.91 - Step 6: Final answer
x = 101,394,748.73
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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.