Finding the Fourth Proportional to 199,392,611.77, 299,194,293.13 and 141,474,593.99
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Solution
The fourth proportional to 199,392,611.77, 299,194,293.13 and 141,474,593.99 is: 212,286,657.81
Step by Step Solution
- Step 1: Write the proportion equation
199,392,611.77 : 299,194,293.13 = 141,474,593.99 : x - Step 2: Convert to fraction form
199,392,611.77/299,194,293.13 = 141,474,593.99/x - Step 3: Cross multiply
199,392,611.77x = 299,194,293.13 × 141,474,593.99 - Step 4: Simplify right side
199,392,611.77x = 42,328,391,145,086,096 - Step 5: Solve for x
x = 42,328,391,145,086,096/199,392,611.77 - Step 6: Final answer
x = 212,286,657.81
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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.