Finding the Fourth Proportional to 201,456,193.80, 302,184,290.70 and 157,618,216.20
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Solution
The fourth proportional to 201,456,193.80, 302,184,290.70 and 157,618,216.20 is: 236,427,324.30
Step by Step Solution
- Step 1: Write the proportion equation
201,456,193.80 : 302,184,290.70 = 157,618,216.20 : x - Step 2: Convert to fraction form
201,456,193.80/302,184,290.70 = 157,618,216.20/x - Step 3: Cross multiply
201,456,193.80x = 302,184,290.70 × 157,618,216.20 - Step 4: Simplify right side
201,456,193.80x = 47,629,748,863,796,240 - Step 5: Solve for x
x = 47,629,748,863,796,240/201,456,193.80 - Step 6: Final answer
x = 236,427,324.30
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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.