Finding the Fourth Proportional to 276,970,872.32, 382,186,504.32 and 159,534,396.08
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Solution
The fourth proportional to 276,970,872.32, 382,186,504.32 and 159,534,396.08 is: 220,138,286.19
Step by Step Solution
- Step 1: Write the proportion equation
276,970,872.32 : 382,186,504.32 = 159,534,396.08 : x - Step 2: Convert to fraction form
276,970,872.32/382,186,504.32 = 159,534,396.08/x - Step 3: Cross multiply
276,970,872.32x = 382,186,504.32 × 159,534,396.08 - Step 4: Simplify right side
276,970,872.32x = 60,971,893,156,617,512 - Step 5: Solve for x
x = 60,971,893,156,617,512/276,970,872.32 - Step 6: Final answer
x = 220,138,286.19
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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.