Finding the Fourth Proportional to 91,797,082.58, 126,683,083.26 and 49,982,769.70
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Solution
The fourth proportional to 91,797,082.58, 126,683,083.26 and 49,982,769.70 is: 68,977,915.17
Step by Step Solution
- Step 1: Write the proportion equation
91,797,082.58 : 126,683,083.26 = 49,982,769.70 : x - Step 2: Convert to fraction form
91,797,082.58/126,683,083.26 = 49,982,769.70/x - Step 3: Cross multiply
91,797,082.58x = 126,683,083.26 × 49,982,769.70 - Step 4: Simplify right side
91,797,082.58x = 6,331,971,375,470,506 - Step 5: Solve for x
x = 6,331,971,375,470,506/91,797,082.58 - Step 6: Final answer
x = 68,977,915.17
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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.