Finding the Fourth Proportional to 115,963,706.25, 160,025,837.09 and 63,752,361.75
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Solution
The fourth proportional to 115,963,706.25, 160,025,837.09 and 63,752,361.75 is: 87,976,017.54
Step by Step Solution
- Step 1: Write the proportion equation
115,963,706.25 : 160,025,837.09 = 63,752,361.75 : x - Step 2: Convert to fraction form
115,963,706.25/160,025,837.09 = 63,752,361.75/x - Step 3: Cross multiply
115,963,706.25x = 160,025,837.09 × 63,752,361.75 - Step 4: Simplify right side
115,963,706.25x = 10,202,025,055,189,486 - Step 5: Solve for x
x = 10,202,025,055,189,486/115,963,706.25 - Step 6: Final answer
x = 87,976,017.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.