Finding the Fourth Proportional to 201,734,142.80, 302,601,214.20 and 120,104,805.20
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Solution
The fourth proportional to 201,734,142.80, 302,601,214.20 and 120,104,805.20 is: 180,157,207.80
Step by Step Solution
- Step 1: Write the proportion equation
201,734,142.80 : 302,601,214.20 = 120,104,805.20 : x - Step 2: Convert to fraction form
201,734,142.80/302,601,214.20 = 120,104,805.20/x - Step 3: Cross multiply
201,734,142.80x = 302,601,214.20 × 120,104,805.20 - Step 4: Simplify right side
201,734,142.80x = 36,343,859,884,774,472 - Step 5: Solve for x
x = 36,343,859,884,774,472/201,734,142.80 - Step 6: Final answer
x = 180,157,207.80
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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.