Finding the Fourth Proportional to 143,735,916.20, 215,603,874.30 and 97,819,413.80
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Solution
The fourth proportional to 143,735,916.20, 215,603,874.30 and 97,819,413.80 is: 146,729,120.70
Step by Step Solution
- Step 1: Write the proportion equation
143,735,916.20 : 215,603,874.30 = 97,819,413.80 : x - Step 2: Convert to fraction form
143,735,916.20/215,603,874.30 = 97,819,413.80/x - Step 3: Cross multiply
143,735,916.20x = 215,603,874.30 × 97,819,413.80 - Step 4: Simplify right side
143,735,916.20x = 21,090,244,597,034,884 - Step 5: Solve for x
x = 21,090,244,597,034,884/143,735,916.20 - Step 6: Final answer
x = 146,729,120.70
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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.