Finding the Fourth Proportional to 132,133,097.80, 198,199,646.70 and 132,133,097.80
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Solution
The fourth proportional to 132,133,097.80, 198,199,646.70 and 132,133,097.80 is: 198,199,646.70
Step by Step Solution
- Step 1: Write the proportion equation
132,133,097.80 : 198,199,646.70 = 132,133,097.80 : x - Step 2: Convert to fraction form
132,133,097.80/198,199,646.70 = 132,133,097.80/x - Step 3: Cross multiply
132,133,097.80x = 198,199,646.70 × 132,133,097.80 - Step 4: Simplify right side
132,133,097.80x = 26,188,733,301,336,544 - Step 5: Solve for x
x = 26,188,733,301,336,544/132,133,097.80 - Step 6: Final answer
x = 198,199,646.70
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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.