Finding the Fourth Proportional to 201,676,879.20, 302,515,318.80 and 132,802,125.60
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Solution
The fourth proportional to 201,676,879.20, 302,515,318.80 and 132,802,125.60 is: 199,203,188.40
Step by Step Solution
- Step 1: Write the proportion equation
201,676,879.20 : 302,515,318.80 = 132,802,125.60 : x - Step 2: Convert to fraction form
201,676,879.20/302,515,318.80 = 132,802,125.60/x - Step 3: Cross multiply
201,676,879.20x = 302,515,318.80 × 132,802,125.60 - Step 4: Simplify right side
201,676,879.20x = 40,174,677,363,201,640 - Step 5: Solve for x
x = 40,174,677,363,201,640/201,676,879.20 - Step 6: Final answer
x = 199,203,188.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.