Finding the Fourth Proportional to 195,599,131.58, 292,914,418.62 and 143,660,572.31
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Solution
The fourth proportional to 195,599,131.58, 292,914,418.62 and 143,660,572.31 is: 215,135,173.03
Step by Step Solution
- Step 1: Write the proportion equation
195,599,131.58 : 292,914,418.62 = 143,660,572.31 : x - Step 2: Convert to fraction form
195,599,131.58/292,914,418.62 = 143,660,572.31/x - Step 3: Cross multiply
195,599,131.58x = 292,914,418.62 × 143,660,572.31 - Step 4: Simplify right side
195,599,131.58x = 42,080,253,016,800,120 - Step 5: Solve for x
x = 42,080,253,016,800,120/195,599,131.58 - Step 6: Final answer
x = 215,135,173.03
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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.