Finding the Fourth Proportional to 132,192,129.60, 197,840,296.80 and 132,192,129.60
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Solution
The fourth proportional to 132,192,129.60, 197,840,296.80 and 132,192,129.60 is: 197,840,296.80
Step by Step Solution
- Step 1: Write the proportion equation
132,192,129.60 : 197,840,296.80 = 132,192,129.60 : x - Step 2: Convert to fraction form
132,192,129.60/197,840,296.80 = 132,192,129.60/x - Step 3: Cross multiply
132,192,129.60x = 197,840,296.80 × 132,192,129.60 - Step 4: Simplify right side
132,192,129.60x = 26,152,930,154,688,064 - Step 5: Solve for x
x = 26,152,930,154,688,064/132,192,129.60 - Step 6: Final answer
x = 197,840,296.80
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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.