Finding the Fourth Proportional to 78,436,248.67, 117,668,737.99 and 32,352,978.70
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Solution
The fourth proportional to 78,436,248.67, 117,668,737.99 and 32,352,978.70 is: 48,535,393.24
Step by Step Solution
- Step 1: Write the proportion equation
78,436,248.67 : 117,668,737.99 = 32,352,978.70 : x - Step 2: Convert to fraction form
78,436,248.67/117,668,737.99 = 32,352,978.70/x - Step 3: Cross multiply
78,436,248.67x = 117,668,737.99 × 32,352,978.70 - Step 4: Simplify right side
78,436,248.67x = 3,806,934,173,846,350.50 - Step 5: Solve for x
x = 3,806,934,173,846,350.50/78,436,248.67 - Step 6: Final answer
x = 48,535,393.24
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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.