Finding the Fourth Proportional to 132,423,425.80, 198,635,138.70 and 132,423,425.80
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Solution
The fourth proportional to 132,423,425.80, 198,635,138.70 and 132,423,425.80 is: 198,635,138.70
Step by Step Solution
- Step 1: Write the proportion equation
132,423,425.80 : 198,635,138.70 = 132,423,425.80 : x - Step 2: Convert to fraction form
132,423,425.80/198,635,138.70 = 132,423,425.80/x - Step 3: Cross multiply
132,423,425.80x = 198,635,138.70 × 132,423,425.80 - Step 4: Simplify right side
132,423,425.80x = 26,303,945,550,912,156 - Step 5: Solve for x
x = 26,303,945,550,912,156/132,423,425.80 - Step 6: Final answer
x = 198,635,138.70
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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.