Finding the Fourth Proportional to 78,436,234.52, 117,668,716.84 and 32,352,964.60
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Solution
The fourth proportional to 78,436,234.52, 117,668,716.84 and 32,352,964.60 is: 48,535,372.12
Step by Step Solution
- Step 1: Write the proportion equation
78,436,234.52 : 117,668,716.84 = 32,352,964.60 : x - Step 2: Convert to fraction form
78,436,234.52/117,668,716.84 = 32,352,964.60/x - Step 3: Cross multiply
78,436,234.52x = 117,668,716.84 × 32,352,964.60 - Step 4: Simplify right side
78,436,234.52x = 3,806,931,830,451,944 - Step 5: Solve for x
x = 3,806,931,830,451,944/78,436,234.52 - Step 6: Final answer
x = 48,535,372.12
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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.