Finding the Fourth Proportional to 132,343,425.80, 198,515,138.70 and 98,331,201.80
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Solution
The fourth proportional to 132,343,425.80, 198,515,138.70 and 98,331,201.80 is: 147,496,802.70
Step by Step Solution
- Step 1: Write the proportion equation
132,343,425.80 : 198,515,138.70 = 98,331,201.80 : x - Step 2: Convert to fraction form
132,343,425.80/198,515,138.70 = 98,331,201.80/x - Step 3: Cross multiply
132,343,425.80x = 198,515,138.70 × 98,331,201.80 - Step 4: Simplify right side
132,343,425.80x = 19,520,232,163,864,688 - Step 5: Solve for x
x = 19,520,232,163,864,688/132,343,425.80 - Step 6: Final answer
x = 147,496,802.70
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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.