Finding the Fourth Proportional to 201,739,128.40, 302,608,692.60 and 132,864,374.80
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Solution
The fourth proportional to 201,739,128.40, 302,608,692.60 and 132,864,374.80 is: 199,296,562.20
Step by Step Solution
- Step 1: Write the proportion equation
201,739,128.40 : 302,608,692.60 = 132,864,374.80 : x - Step 2: Convert to fraction form
201,739,128.40/302,608,692.60 = 132,864,374.80/x - Step 3: Cross multiply
201,739,128.40x = 302,608,692.60 × 132,864,374.80 - Step 4: Simplify right side
201,739,128.40x = 40,205,914,751,344,392 - Step 5: Solve for x
x = 40,205,914,751,344,392/201,739,128.40 - Step 6: Final answer
x = 199,296,562.20
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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.