Finding the Fourth Proportional to 276,311,212.32, 381,304,260.63 and 169,012,640.07
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Solution
The fourth proportional to 276,311,212.32, 381,304,260.63 and 169,012,640.07 is: 233,234,255.02
Step by Step Solution
- Step 1: Write the proportion equation
276,311,212.32 : 381,304,260.63 = 169,012,640.07 : x - Step 2: Convert to fraction form
276,311,212.32/381,304,260.63 = 169,012,640.07/x - Step 3: Cross multiply
276,311,212.32x = 381,304,260.63 × 169,012,640.07 - Step 4: Simplify right side
276,311,212.32x = 64,445,239,759,015,656 - Step 5: Solve for x
x = 64,445,239,759,015,656/276,311,212.32 - Step 6: Final answer
x = 233,234,255.02
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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.