Finding the Fourth Proportional to 134,849,561.40, 202,274,342.10 and 48,590,782.20
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Solution
The fourth proportional to 134,849,561.40, 202,274,342.10 and 48,590,782.20 is: 72,886,173.30
Step by Step Solution
- Step 1: Write the proportion equation
134,849,561.40 : 202,274,342.10 = 48,590,782.20 : x - Step 2: Convert to fraction form
134,849,561.40/202,274,342.10 = 48,590,782.20/x - Step 3: Cross multiply
134,849,561.40x = 202,274,342.10 × 48,590,782.20 - Step 4: Simplify right side
134,849,561.40x = 9,828,668,501,629,390 - Step 5: Solve for x
x = 9,828,668,501,629,390/134,849,561.40 - Step 6: Final answer
x = 72,886,173.30
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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.