Finding the Fourth Proportional to 68,912,218.94, 95,100,890.69 and 37,974,381.13
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Solution
The fourth proportional to 68,912,218.94, 95,100,890.69 and 37,974,381.13 is: 52,405,763.80
Step by Step Solution
- Step 1: Write the proportion equation
68,912,218.94 : 95,100,890.69 = 37,974,381.13 : x - Step 2: Convert to fraction form
68,912,218.94/95,100,890.69 = 37,974,381.13/x - Step 3: Cross multiply
68,912,218.94x = 95,100,890.69 × 37,974,381.13 - Step 4: Simplify right side
68,912,218.94x = 3,611,397,468,721,712 - Step 5: Solve for x
x = 3,611,397,468,721,712/68,912,218.94 - Step 6: Final answer
x = 52,405,763.80
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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.