Finding the Fourth Proportional to 303,160,915.82, 418,364,566.04 and 167,375,525.99
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Solution
The fourth proportional to 303,160,915.82, 418,364,566.04 and 167,375,525.99 is: 230,979,607.33
Step by Step Solution
- Step 1: Write the proportion equation
303,160,915.82 : 418,364,566.04 = 167,375,525.99 : x - Step 2: Convert to fraction form
303,160,915.82/418,364,566.04 = 167,375,525.99/x - Step 3: Cross multiply
303,160,915.82x = 418,364,566.04 × 167,375,525.99 - Step 4: Simplify right side
303,160,915.82x = 70,023,989,293,594,400 - Step 5: Solve for x
x = 70,023,989,293,594,400/303,160,915.82 - Step 6: Final answer
x = 230,979,607.33
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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.