Finding the Fourth Proportional to 197,998,496.69, 273,288,152.97 and 135,299,973.24
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Solution
The fourth proportional to 197,998,496.69, 273,288,152.97 and 135,299,973.24 is: 186,748,285.48
Step by Step Solution
- Step 1: Write the proportion equation
197,998,496.69 : 273,288,152.97 = 135,299,973.24 : x - Step 2: Convert to fraction form
197,998,496.69/273,288,152.97 = 135,299,973.24/x - Step 3: Cross multiply
197,998,496.69x = 273,288,152.97 × 135,299,973.24 - Step 4: Simplify right side
197,998,496.69x = 36,975,879,783,650,032 - Step 5: Solve for x
x = 36,975,879,783,650,032/197,998,496.69 - Step 6: Final answer
x = 186,748,285.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.