Finding the Fourth Proportional to 56,694,692.18, 85,055,554.20 and 18,356,217.68
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Solution
The fourth proportional to 56,694,692.18, 85,055,554.20 and 18,356,217.68 is: 27,538,702.61
Step by Step Solution
- Step 1: Write the proportion equation
56,694,692.18 : 85,055,554.20 = 18,356,217.68 : x - Step 2: Convert to fraction form
56,694,692.18/85,055,554.20 = 18,356,217.68/x - Step 3: Cross multiply
56,694,692.18x = 85,055,554.20 × 18,356,217.68 - Step 4: Simplify right side
56,694,692.18x = 1,561,298,267,788,238.25 - Step 5: Solve for x
x = 1,561,298,267,788,238.25/56,694,692.18 - Step 6: Final answer
x = 27,538,702.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.