Finding the Fourth Proportional to 268,999,087.40, 371,207,271.08 and 149,915,343.04
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Solution
The fourth proportional to 268,999,087.40, 371,207,271.08 and 149,915,343.04 is: 206,876,781.33
Step by Step Solution
- Step 1: Write the proportion equation
268,999,087.40 : 371,207,271.08 = 149,915,343.04 : x - Step 2: Convert to fraction form
268,999,087.40/371,207,271.08 = 149,915,343.04/x - Step 3: Cross multiply
268,999,087.40x = 371,207,271.08 × 149,915,343.04 - Step 4: Simplify right side
268,999,087.40x = 55,649,665,382,900,464 - Step 5: Solve for x
x = 55,649,665,382,900,464/268,999,087.40 - Step 6: Final answer
x = 206,876,781.33
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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.