Finding the Fourth Proportional to 138,757,252.92, 208,055,203.68 and 52,502,311.92
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Solution
The fourth proportional to 138,757,252.92, 208,055,203.68 and 52,502,311.92 is: 78,722,942.19
Step by Step Solution
- Step 1: Write the proportion equation
138,757,252.92 : 208,055,203.68 = 52,502,311.92 : x - Step 2: Convert to fraction form
138,757,252.92/208,055,203.68 = 52,502,311.92/x - Step 3: Cross multiply
138,757,252.92x = 208,055,203.68 × 52,502,311.92 - Step 4: Simplify right side
138,757,252.92x = 10,923,379,200,186,492 - Step 5: Solve for x
x = 10,923,379,200,186,492/138,757,252.92 - Step 6: Final answer
x = 78,722,942.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.