Finding the Fourth Proportional to 132,901,785.68, 183,404,120.28 and 74,163,832.88
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Solution
The fourth proportional to 132,901,785.68, 183,404,120.28 and 74,163,832.88 is: 102,345,897.43
Step by Step Solution
- Step 1: Write the proportion equation
132,901,785.68 : 183,404,120.28 = 74,163,832.88 : x - Step 2: Convert to fraction form
132,901,785.68/183,404,120.28 = 74,163,832.88/x - Step 3: Cross multiply
132,901,785.68x = 183,404,120.28 × 74,163,832.88 - Step 4: Simplify right side
132,901,785.68x = 13,601,952,525,949,338 - Step 5: Solve for x
x = 13,601,952,525,949,338/132,901,785.68 - Step 6: Final answer
x = 102,345,897.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.