Finding the Fourth Proportional to 84,082,481.80, 126,123,722.70 and 62,559,121.30
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Solution
The fourth proportional to 84,082,481.80, 126,123,722.70 and 62,559,121.30 is: 93,838,681.95
Step by Step Solution
- Step 1: Write the proportion equation
84,082,481.80 : 126,123,722.70 = 62,559,121.30 : x - Step 2: Convert to fraction form
84,082,481.80/126,123,722.70 = 62,559,121.30/x - Step 3: Cross multiply
84,082,481.80x = 126,123,722.70 × 62,559,121.30 - Step 4: Simplify right side
84,082,481.80x = 7,890,189,267,196,863 - Step 5: Solve for x
x = 7,890,189,267,196,863/84,082,481.80 - Step 6: Final answer
x = 93,838,681.95
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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.