Finding the Fourth Proportional to 132,284,884.16, 198,414,497.20 and 40,169,420.11
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Solution
The fourth proportional to 132,284,884.16, 198,414,497.20 and 40,169,420.11 is: 60,250,234.51
Step by Step Solution
- Step 1: Write the proportion equation
132,284,884.16 : 198,414,497.20 = 40,169,420.11 : x - Step 2: Convert to fraction form
132,284,884.16/198,414,497.20 = 40,169,420.11/x - Step 3: Cross multiply
132,284,884.16x = 198,414,497.20 × 40,169,420.11 - Step 4: Simplify right side
132,284,884.16x = 7,970,195,292,748,298 - Step 5: Solve for x
x = 7,970,195,292,748,298/132,284,884.16 - Step 6: Final answer
x = 60,250,234.51
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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.