Finding the Fourth Proportional to 102,135,338.09, 140,990,256.99 and 68,664,229.17
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Solution
The fourth proportional to 102,135,338.09, 140,990,256.99 and 68,664,229.17 is: 94,785,874.29
Step by Step Solution
- Step 1: Write the proportion equation
102,135,338.09 : 140,990,256.99 = 68,664,229.17 : x - Step 2: Convert to fraction form
102,135,338.09/140,990,256.99 = 68,664,229.17/x - Step 3: Cross multiply
102,135,338.09x = 140,990,256.99 × 68,664,229.17 - Step 4: Simplify right side
102,135,338.09x = 9,680,987,316,355,234 - Step 5: Solve for x
x = 9,680,987,316,355,234/102,135,338.09 - Step 6: Final answer
x = 94,785,874.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.