Finding the Fourth Proportional to 217,747,869.80, 326,621,804.70 and 96,579,321.80
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Solution
The fourth proportional to 217,747,869.80, 326,621,804.70 and 96,579,321.80 is: 144,868,982.70
Step by Step Solution
- Step 1: Write the proportion equation
217,747,869.80 : 326,621,804.70 = 96,579,321.80 : x - Step 2: Convert to fraction form
217,747,869.80/326,621,804.70 = 96,579,321.80/x - Step 3: Cross multiply
217,747,869.80x = 326,621,804.70 × 96,579,321.80 - Step 4: Simplify right side
217,747,869.80x = 31,544,912,383,018,052 - Step 5: Solve for x
x = 31,544,912,383,018,052/217,747,869.80 - Step 6: Final answer
x = 144,868,982.70
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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.