Finding the Fourth Proportional to 76,930,612.92, 115,397,621.19 and 27,750,398.58
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Solution
The fourth proportional to 76,930,612.92, 115,397,621.19 and 27,750,398.58 is: 41,626,211.75
Step by Step Solution
- Step 1: Write the proportion equation
76,930,612.92 : 115,397,621.19 = 27,750,398.58 : x - Step 2: Convert to fraction form
76,930,612.92/115,397,621.19 = 27,750,398.58/x - Step 3: Cross multiply
76,930,612.92x = 115,397,621.19 × 27,750,398.58 - Step 4: Simplify right side
76,930,612.92x = 3,202,329,983,206,353.50 - Step 5: Solve for x
x = 3,202,329,983,206,353.50/76,930,612.92 - Step 6: Final answer
x = 41,626,211.75
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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.