Finding the Fourth Proportional to 252,801,611.80, 379,202,417.70 and 195,405,983.80
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Solution
The fourth proportional to 252,801,611.80, 379,202,417.70 and 195,405,983.80 is: 293,108,975.70
Step by Step Solution
- Step 1: Write the proportion equation
252,801,611.80 : 379,202,417.70 = 195,405,983.80 : x - Step 2: Convert to fraction form
252,801,611.80/379,202,417.70 = 195,405,983.80/x - Step 3: Cross multiply
252,801,611.80x = 379,202,417.70 × 195,405,983.80 - Step 4: Simplify right side
252,801,611.80x = 74,098,421,490,007,040 - Step 5: Solve for x
x = 74,098,421,490,007,040/252,801,611.80 - Step 6: Final answer
x = 293,108,975.70
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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.