Finding the Fourth Proportional to 132,343,261.70, 198,514,892.55 and 40,226,821.70
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Solution
The fourth proportional to 132,343,261.70, 198,514,892.55 and 40,226,821.70 is: 60,340,232.55
Step by Step Solution
- Step 1: Write the proportion equation
132,343,261.70 : 198,514,892.55 = 40,226,821.70 : x - Step 2: Convert to fraction form
132,343,261.70/198,514,892.55 = 40,226,821.70/x - Step 3: Cross multiply
132,343,261.70x = 198,514,892.55 × 40,226,821.70 - Step 4: Simplify right side
132,343,261.70x = 7,985,623,187,403,509 - Step 5: Solve for x
x = 7,985,623,187,403,509/132,343,261.70 - Step 6: Final answer
x = 60,340,232.55
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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.