Finding the Fourth Proportional to 49,711,902.63, 68,604,554.04 and 27,685,401.99
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Solution
The fourth proportional to 49,711,902.63, 68,604,554.04 and 27,685,401.99 is: 38,207,040.09
Step by Step Solution
- Step 1: Write the proportion equation
49,711,902.63 : 68,604,554.04 = 27,685,401.99 : x - Step 2: Convert to fraction form
49,711,902.63/68,604,554.04 = 27,685,401.99/x - Step 3: Cross multiply
49,711,902.63x = 68,604,554.04 × 27,685,401.99 - Step 4: Simplify right side
49,711,902.63x = 1,899,344,656,942,078.50 - Step 5: Solve for x
x = 1,899,344,656,942,078.50/49,711,902.63 - Step 6: Final answer
x = 38,207,040.09
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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.