Finding the Fourth Proportional to 132,848,562.45, 199,272,843.68 and 74,735,489.10
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Solution
The fourth proportional to 132,848,562.45, 199,272,843.68 and 74,735,489.10 is: 112,103,233.65
Step by Step Solution
- Step 1: Write the proportion equation
132,848,562.45 : 199,272,843.68 = 74,735,489.10 : x - Step 2: Convert to fraction form
132,848,562.45/199,272,843.68 = 74,735,489.10/x - Step 3: Cross multiply
132,848,562.45x = 199,272,843.68 × 74,735,489.10 - Step 4: Simplify right side
132,848,562.45x = 14,892,753,436,398,966 - Step 5: Solve for x
x = 14,892,753,436,398,966/132,848,562.45 - Step 6: Final answer
x = 112,103,233.65
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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.