Finding the Fourth Proportional to 71,569,692.40, 107,354,538.60 and 33,218,460.40
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Solution
The fourth proportional to 71,569,692.40, 107,354,538.60 and 33,218,460.40 is: 49,827,690.60
Step by Step Solution
- Step 1: Write the proportion equation
71,569,692.40 : 107,354,538.60 = 33,218,460.40 : x - Step 2: Convert to fraction form
71,569,692.40/107,354,538.60 = 33,218,460.40/x - Step 3: Cross multiply
71,569,692.40x = 107,354,538.60 × 33,218,460.40 - Step 4: Simplify right side
71,569,692.40x = 3,566,152,489,244,371 - Step 5: Solve for x
x = 3,566,152,489,244,371/71,569,692.40 - Step 6: Final answer
x = 49,827,690.60
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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.