Finding the Fourth Proportional to 187,971,031.05, 281,956,158.81 and 106,052,722.44
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Solution
The fourth proportional to 187,971,031.05, 281,956,158.81 and 106,052,722.44 is: 159,078,864.88
Step by Step Solution
- Step 1: Write the proportion equation
187,971,031.05 : 281,956,158.81 = 106,052,722.44 : x - Step 2: Convert to fraction form
187,971,031.05/281,956,158.81 = 106,052,722.44/x - Step 3: Cross multiply
187,971,031.05x = 281,956,158.81 × 106,052,722.44 - Step 4: Simplify right side
187,971,031.05x = 29,902,218,250,525,492 - Step 5: Solve for x
x = 29,902,218,250,525,492/187,971,031.05 - Step 6: Final answer
x = 159,078,864.88
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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.