Finding the Fourth Proportional to 201,734,137.30, 302,601,205.95 and 120,104,799.70
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Solution
The fourth proportional to 201,734,137.30, 302,601,205.95 and 120,104,799.70 is: 180,157,199.55
Step by Step Solution
- Step 1: Write the proportion equation
201,734,137.30 : 302,601,205.95 = 120,104,799.70 : x - Step 2: Convert to fraction form
201,734,137.30/302,601,205.95 = 120,104,799.70/x - Step 3: Cross multiply
201,734,137.30x = 302,601,205.95 × 120,104,799.70 - Step 4: Simplify right side
201,734,137.30x = 36,343,857,229,603,200 - Step 5: Solve for x
x = 36,343,857,229,603,200/201,734,137.30 - Step 6: Final answer
x = 180,157,199.55
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1.5x scale
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.