Finding the Fourth Proportional to 207,160,968, 285,882,135.84 and 115,590,792
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Solution
The fourth proportional to 207,160,968, 285,882,135.84 and 115,590,792 is: 159,515,292.96
Step by Step Solution
- Step 1: Write the proportion equation
207,160,968 : 285,882,135.84 = 115,590,792 : x - Step 2: Convert to fraction form
207,160,968/285,882,135.84 = 115,590,792/x - Step 3: Cross multiply
207,160,968x = 285,882,135.84 × 115,590,792 - Step 4: Simplify right side
207,160,968x = 33,045,342,500,397,184 - Step 5: Solve for x
x = 33,045,342,500,397,184/207,160,968 - Step 6: Final answer
x = 159,515,292.96
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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.