Finding the Fourth Proportional to 165,977,370.70, 248,966,056.05 and 84,348,033.10
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Solution
The fourth proportional to 165,977,370.70, 248,966,056.05 and 84,348,033.10 is: 126,522,049.65
Step by Step Solution
- Step 1: Write the proportion equation
165,977,370.70 : 248,966,056.05 = 84,348,033.10 : x - Step 2: Convert to fraction form
165,977,370.70/248,966,056.05 = 84,348,033.10/x - Step 3: Cross multiply
165,977,370.70x = 248,966,056.05 × 84,348,033.10 - Step 4: Simplify right side
165,977,370.70x = 20,999,797,136,481,856 - Step 5: Solve for x
x = 20,999,797,136,481,856/165,977,370.70 - Step 6: Final answer
x = 126,522,049.65
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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.