Finding the Fourth Proportional to 69,393,212.92, 95,763,204.35 and 38,453,898.88
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Solution
The fourth proportional to 69,393,212.92, 95,763,204.35 and 38,453,898.88 is: 53,066,696.61
Step by Step Solution
- Step 1: Write the proportion equation
69,393,212.92 : 95,763,204.35 = 38,453,898.88 : x - Step 2: Convert to fraction form
69,393,212.92/95,763,204.35 = 38,453,898.88/x - Step 3: Cross multiply
69,393,212.92x = 95,763,204.35 × 38,453,898.88 - Step 4: Simplify right side
69,393,212.92x = 3,682,468,576,499,676 - Step 5: Solve for x
x = 3,682,468,576,499,676/69,393,212.92 - Step 6: Final answer
x = 53,066,696.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.