Finding the Fourth Proportional to 265,220,857.80, 397,831,286.70 and 83,468,035.80
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Solution
The fourth proportional to 265,220,857.80, 397,831,286.70 and 83,468,035.80 is: 125,202,053.70
Step by Step Solution
- Step 1: Write the proportion equation
265,220,857.80 : 397,831,286.70 = 83,468,035.80 : x - Step 2: Convert to fraction form
265,220,857.80/397,831,286.70 = 83,468,035.80/x - Step 3: Cross multiply
265,220,857.80x = 397,831,286.70 × 83,468,035.80 - Step 4: Simplify right side
265,220,857.80x = 33,206,196,080,635,660 - Step 5: Solve for x
x = 33,206,196,080,635,660/265,220,857.80 - Step 6: Final answer
x = 125,202,053.70
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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.