Finding the Fourth Proportional to 132,343,243.20, 198,514,864.80 and 40,226,803.20
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Solution
The fourth proportional to 132,343,243.20, 198,514,864.80 and 40,226,803.20 is: 60,340,204.80
Step by Step Solution
- Step 1: Write the proportion equation
132,343,243.20 : 198,514,864.80 = 40,226,803.20 : x - Step 2: Convert to fraction form
132,343,243.20/198,514,864.80 = 40,226,803.20/x - Step 3: Cross multiply
132,343,243.20x = 198,514,864.80 × 40,226,803.20 - Step 4: Simplify right side
132,343,243.20x = 7,985,618,398,584,208 - Step 5: Solve for x
x = 7,985,618,398,584,208/132,343,243.20 - Step 6: Final answer
x = 60,340,204.80
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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.