Finding the Fourth Proportional to 132,121,243.80, 198,181,865.70 and 132,121,243.80
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Solution
The fourth proportional to 132,121,243.80, 198,181,865.70 and 132,121,243.80 is: 198,181,865.70
Step by Step Solution
- Step 1: Write the proportion equation
132,121,243.80 : 198,181,865.70 = 132,121,243.80 : x - Step 2: Convert to fraction form
132,121,243.80/198,181,865.70 = 132,121,243.80/x - Step 3: Cross multiply
132,121,243.80x = 198,181,865.70 × 132,121,243.80 - Step 4: Simplify right side
132,121,243.80x = 26,184,034,594,888,556 - Step 5: Solve for x
x = 26,184,034,594,888,556/132,121,243.80 - Step 6: Final answer
x = 198,181,865.70
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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.