Finding the Fourth Proportional to 108,376,110.36, 149,559,110.30 and 58,816,471.23
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Solution
The fourth proportional to 108,376,110.36, 149,559,110.30 and 58,816,471.23 is: 81,166,772.63
Step by Step Solution
- Step 1: Write the proportion equation
108,376,110.36 : 149,559,110.30 = 58,816,471.23 : x - Step 2: Convert to fraction form
108,376,110.36/149,559,110.30 = 58,816,471.23/x - Step 3: Cross multiply
108,376,110.36x = 149,559,110.30 × 58,816,471.23 - Step 4: Simplify right side
108,376,110.36x = 8,796,539,108,291,388 - Step 5: Solve for x
x = 8,796,539,108,291,388/108,376,110.36 - Step 6: Final answer
x = 81,166,772.63
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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.