Finding the Fourth Proportional to 206,528,746.49, 309,815,815.33 and 68,304,004.19
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Solution
The fourth proportional to 206,528,746.49, 309,815,815.33 and 68,304,004.19 is: 102,463,512.26
Step by Step Solution
- Step 1: Write the proportion equation
206,528,746.49 : 309,815,815.33 = 68,304,004.19 : x - Step 2: Convert to fraction form
206,528,746.49/309,815,815.33 = 68,304,004.19/x - Step 3: Cross multiply
206,528,746.49x = 309,815,815.33 × 68,304,004.19 - Step 4: Simplify right side
206,528,746.49x = 21,161,660,747,742,828 - Step 5: Solve for x
x = 21,161,660,747,742,828/206,528,746.49 - Step 6: Final answer
x = 102,463,512.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.