Finding the Fourth Proportional to 132,901,501.68, 183,403,725.12 and 74,163,541.68
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Solution
The fourth proportional to 132,901,501.68, 183,403,725.12 and 74,163,541.68 is: 102,345,493.77
Step by Step Solution
- Step 1: Write the proportion equation
132,901,501.68 : 183,403,725.12 = 74,163,541.68 : x - Step 2: Convert to fraction form
132,901,501.68/183,403,725.12 = 74,163,541.68/x - Step 3: Cross multiply
132,901,501.68x = 183,403,725.12 × 74,163,541.68 - Step 4: Simplify right side
132,901,501.68x = 13,601,869,812,204,384 - Step 5: Solve for x
x = 13,601,869,812,204,384/132,901,501.68 - Step 6: Final answer
x = 102,345,493.77
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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.