Finding the Fourth Proportional to 49,838,168.88, 68,776,544.07 and 27,811,436.58
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Solution
The fourth proportional to 49,838,168.88, 68,776,544.07 and 27,811,436.58 is: 38,379,710.50
Step by Step Solution
- Step 1: Write the proportion equation
49,838,168.88 : 68,776,544.07 = 27,811,436.58 : x - Step 2: Convert to fraction form
49,838,168.88/68,776,544.07 = 27,811,436.58/x - Step 3: Cross multiply
49,838,168.88x = 68,776,544.07 × 27,811,436.58 - Step 4: Simplify right side
49,838,168.88x = 1,912,774,493,594,379.75 - Step 5: Solve for x
x = 1,912,774,493,594,379.75/49,838,168.88 - Step 6: Final answer
x = 38,379,710.50
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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.