Finding the Fourth Proportional to 45,540,446.49, 68,239,174.28 and 30,974,312.97
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Solution
The fourth proportional to 45,540,446.49, 68,239,174.28 and 30,974,312.97 is: 46,412,841.85
Step by Step Solution
- Step 1: Write the proportion equation
45,540,446.49 : 68,239,174.28 = 30,974,312.97 : x - Step 2: Convert to fraction form
45,540,446.49/68,239,174.28 = 30,974,312.97/x - Step 3: Cross multiply
45,540,446.49x = 68,239,174.28 × 30,974,312.97 - Step 4: Simplify right side
45,540,446.49x = 2,113,661,540,808,223 - Step 5: Solve for x
x = 2,113,661,540,808,223/45,540,446.49 - Step 6: Final answer
x = 46,412,841.85
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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.