Finding the Fourth Proportional to 106,243,544.99, 146,612,221.29 and 59,198,187.71
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Solution
The fourth proportional to 106,243,544.99, 146,612,221.29 and 59,198,187.71 is: 81,691,342.26
Step by Step Solution
- Step 1: Write the proportion equation
106,243,544.99 : 146,612,221.29 = 59,198,187.71 : x - Step 2: Convert to fraction form
106,243,544.99/146,612,221.29 = 59,198,187.71/x - Step 3: Cross multiply
106,243,544.99x = 146,612,221.29 × 59,198,187.71 - Step 4: Simplify right side
106,243,544.99x = 8,679,177,796,505,478 - Step 5: Solve for x
x = 8,679,177,796,505,478/106,243,544.99 - Step 6: Final answer
x = 81,691,342.26
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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.