Finding the Fourth Proportional to 177,876,302.40, 266,814,453.60 and 126,220,237.20
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Solution
The fourth proportional to 177,876,302.40, 266,814,453.60 and 126,220,237.20 is: 189,330,355.80
Step by Step Solution
- Step 1: Write the proportion equation
177,876,302.40 : 266,814,453.60 = 126,220,237.20 : x - Step 2: Convert to fraction form
177,876,302.40/266,814,453.60 = 126,220,237.20/x - Step 3: Cross multiply
177,876,302.40x = 266,814,453.60 × 126,220,237.20 - Step 4: Simplify right side
177,876,302.40x = 33,677,383,621,780,392 - Step 5: Solve for x
x = 33,677,383,621,780,392/177,876,302.40 - Step 6: Final answer
x = 189,330,355.80
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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.