Finding the Fourth Proportional to 71,031,675.92, 97,311,767.42 and 68,375,997.56
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Solution
The fourth proportional to 71,031,675.92, 97,311,767.42 and 68,375,997.56 is: 93,673,548.96
Step by Step Solution
- Step 1: Write the proportion equation
71,031,675.92 : 97,311,767.42 = 68,375,997.56 : x - Step 2: Convert to fraction form
71,031,675.92/97,311,767.42 = 68,375,997.56/x - Step 3: Cross multiply
71,031,675.92x = 97,311,767.42 × 68,375,997.56 - Step 4: Simplify right side
71,031,675.92x = 6,653,789,171,669,208 - Step 5: Solve for x
x = 6,653,789,171,669,208/71,031,675.92 - Step 6: Final answer
x = 93,673,548.96
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.