Finding the Fourth Proportional to 106,904,815.08, 147,528,644.84 and 58,012,243.08
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Solution
The fourth proportional to 106,904,815.08, 147,528,644.84 and 58,012,243.08 is: 80,056,895.47
Step by Step Solution
- Step 1: Write the proportion equation
106,904,815.08 : 147,528,644.84 = 58,012,243.08 : x - Step 2: Convert to fraction form
106,904,815.08/147,528,644.84 = 58,012,243.08/x - Step 3: Cross multiply
106,904,815.08x = 147,528,644.84 × 58,012,243.08 - Step 4: Simplify right side
106,904,815.08x = 8,558,467,606,251,197 - Step 5: Solve for x
x = 8,558,467,606,251,197/106,904,815.08 - Step 6: Final answer
x = 80,056,895.47
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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.