Finding the Fourth Proportional to 132,284,683.26, 198,414,194.49 and 40,169,220.12
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Solution
The fourth proportional to 132,284,683.26, 198,414,194.49 and 40,169,220.12 is: 60,249,934.13
Step by Step Solution
- Step 1: Write the proportion equation
132,284,683.26 : 198,414,194.49 = 40,169,220.12 : x - Step 2: Convert to fraction form
132,284,683.26/198,414,194.49 = 40,169,220.12/x - Step 3: Cross multiply
132,284,683.26x = 198,414,194.49 × 40,169,220.12 - Step 4: Simplify right side
132,284,683.26x = 7,970,143,453,401,301 - Step 5: Solve for x
x = 7,970,143,453,401,301/132,284,683.26 - Step 6: Final answer
x = 60,249,934.13
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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.