Finding the Fourth Proportional to 195,718,477.37, 270,084,234.94 and 107,607,232.62
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Solution
The fourth proportional to 195,718,477.37, 270,084,234.94 and 107,607,232.62 is: 148,493,987.32
Step by Step Solution
- Step 1: Write the proportion equation
195,718,477.37 : 270,084,234.94 = 107,607,232.62 : x - Step 2: Convert to fraction form
195,718,477.37/270,084,234.94 = 107,607,232.62/x - Step 3: Cross multiply
195,718,477.37x = 270,084,234.94 × 107,607,232.62 - Step 4: Simplify right side
195,718,477.37x = 29,063,017,095,914,296 - Step 5: Solve for x
x = 29,063,017,095,914,296/195,718,477.37 - Step 6: Final answer
x = 148,493,987.32
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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.