Finding the Fourth Proportional to 187,498,892.08, 281,248,369 and 78,264,474.44
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Solution
The fourth proportional to 187,498,892.08, 281,248,369 and 78,264,474.44 is: 117,396,724.55
Step by Step Solution
- Step 1: Write the proportion equation
187,498,892.08 : 281,248,369 = 78,264,474.44 : x - Step 2: Convert to fraction form
187,498,892.08/281,248,369 = 78,264,474.44/x - Step 3: Cross multiply
187,498,892.08x = 281,248,369 × 78,264,474.44 - Step 4: Simplify right side
187,498,892.08x = 22,011,755,786,892,188 - Step 5: Solve for x
x = 22,011,755,786,892,188/187,498,892.08 - Step 6: Final answer
x = 117,396,724.55
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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.