Finding the Fourth Proportional to 250,394,125.50, 345,543,893.19 and 145,976,597.82
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Solution
The fourth proportional to 250,394,125.50, 345,543,893.19 and 145,976,597.82 is: 201,447,704.99
Step by Step Solution
- Step 1: Write the proportion equation
250,394,125.50 : 345,543,893.19 = 145,976,597.82 : x - Step 2: Convert to fraction form
250,394,125.50/345,543,893.19 = 145,976,597.82/x - Step 3: Cross multiply
250,394,125.50x = 345,543,893.19 × 145,976,597.82 - Step 4: Simplify right side
250,394,125.50x = 50,441,321,925,353,664 - Step 5: Solve for x
x = 50,441,321,925,353,664/250,394,125.50 - Step 6: Final answer
x = 201,447,704.99
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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.