Finding the Fourth Proportional to 381,717,397.08, 572,560,102.98 and 122,926,887.72
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Solution
The fourth proportional to 381,717,397.08, 572,560,102.98 and 122,926,887.72 is: 184,385,181.37
Step by Step Solution
- Step 1: Write the proportion equation
381,717,397.08 : 572,560,102.98 = 122,926,887.72 : x - Step 2: Convert to fraction form
381,717,397.08/572,560,102.98 = 122,926,887.72/x - Step 3: Cross multiply
381,717,397.08x = 572,560,102.98 × 122,926,887.72 - Step 4: Simplify right side
381,717,397.08x = 70,383,031,491,974,096 - Step 5: Solve for x
x = 70,383,031,491,974,096/381,717,397.08 - Step 6: Final answer
x = 184,385,181.37
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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.