Finding the Fourth Proportional to 177,145,741.20, 265,718,611.80 and 159,229,837.20
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Solution
The fourth proportional to 177,145,741.20, 265,718,611.80 and 159,229,837.20 is: 238,844,755.80
Step by Step Solution
- Step 1: Write the proportion equation
177,145,741.20 : 265,718,611.80 = 159,229,837.20 : x - Step 2: Convert to fraction form
177,145,741.20/265,718,611.80 = 159,229,837.20/x - Step 3: Cross multiply
177,145,741.20x = 265,718,611.80 × 159,229,837.20 - Step 4: Simplify right side
177,145,741.20x = 42,310,331,297,924,000 - Step 5: Solve for x
x = 42,310,331,297,924,000/177,145,741.20 - Step 6: Final answer
x = 238,844,755.80
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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.