Finding the Fourth Proportional to 135,371,021.43, 202,725,369.60 and 122,269,869.03
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Solution
The fourth proportional to 135,371,021.43, 202,725,369.60 and 122,269,869.03 is: 183,105,690.78
Step by Step Solution
- Step 1: Write the proportion equation
135,371,021.43 : 202,725,369.60 = 122,269,869.03 : x - Step 2: Convert to fraction form
135,371,021.43/202,725,369.60 = 122,269,869.03/x - Step 3: Cross multiply
135,371,021.43x = 202,725,369.60 × 122,269,869.03 - Step 4: Simplify right side
135,371,021.43x = 24,787,204,390,050,344 - Step 5: Solve for x
x = 24,787,204,390,050,344/135,371,021.43 - Step 6: Final answer
x = 183,105,690.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.