Finding the Fourth Proportional to 134,849,570.40, 202,274,355.60 and 48,590,791.20
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Solution
The fourth proportional to 134,849,570.40, 202,274,355.60 and 48,590,791.20 is: 72,886,186.80
Step by Step Solution
- Step 1: Write the proportion equation
134,849,570.40 : 202,274,355.60 = 48,590,791.20 : x - Step 2: Convert to fraction form
134,849,570.40/202,274,355.60 = 48,590,791.20/x - Step 3: Cross multiply
134,849,570.40x = 202,274,355.60 × 48,590,791.20 - Step 4: Simplify right side
134,849,570.40x = 9,828,670,978,074,152 - Step 5: Solve for x
x = 9,828,670,978,074,152/134,849,570.40 - Step 6: Final answer
x = 72,886,186.80
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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.