Finding the Fourth Proportional to 132,101,113.55, 198,073,172.21 and 50,225,985.09
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Solution
The fourth proportional to 132,101,113.55, 198,073,172.21 and 50,225,985.09 is: 75,309,131.97
Step by Step Solution
- Step 1: Write the proportion equation
132,101,113.55 : 198,073,172.21 = 50,225,985.09 : x - Step 2: Convert to fraction form
132,101,113.55/198,073,172.21 = 50,225,985.09/x - Step 3: Cross multiply
132,101,113.55x = 198,073,172.21 × 50,225,985.09 - Step 4: Simplify right side
132,101,113.55x = 9,948,420,193,897,334 - Step 5: Solve for x
x = 9,948,420,193,897,334/132,101,113.55 - Step 6: Final answer
x = 75,309,131.97
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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.