Finding the Fourth Proportional to 78,436,246.67, 117,668,734.99 and 32,352,976.70
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Solution
The fourth proportional to 78,436,246.67, 117,668,734.99 and 32,352,976.70 is: 48,535,390.25
Step by Step Solution
- Step 1: Write the proportion equation
78,436,246.67 : 117,668,734.99 = 32,352,976.70 : x - Step 2: Convert to fraction form
78,436,246.67/117,668,734.99 = 32,352,976.70/x - Step 3: Cross multiply
78,436,246.67x = 117,668,734.99 × 32,352,976.70 - Step 4: Simplify right side
78,436,246.67x = 3,806,933,841,663,234 - Step 5: Solve for x
x = 3,806,933,841,663,234/78,436,246.67 - Step 6: Final answer
x = 48,535,390.25
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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.