Finding the Fourth Proportional to 132,416,103.20, 198,652,743.68 and 40,307,043.92
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Solution
The fourth proportional to 132,416,103.20, 198,652,743.68 and 40,307,043.92 is: 60,469,268.24
Step by Step Solution
- Step 1: Write the proportion equation
132,416,103.20 : 198,652,743.68 = 40,307,043.92 : x - Step 2: Convert to fraction form
132,416,103.20/198,652,743.68 = 40,307,043.92/x - Step 3: Cross multiply
132,416,103.20x = 198,652,743.68 × 40,307,043.92 - Step 4: Simplify right side
132,416,103.20x = 8,007,104,864,338,263 - Step 5: Solve for x
x = 8,007,104,864,338,263/132,416,103.20 - Step 6: Final answer
x = 60,469,268.24
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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.