Finding the Fourth Proportional to 104,517,511.69, 144,242,234.45 and 62,703,143.05
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Solution
The fourth proportional to 104,517,511.69, 144,242,234.45 and 62,703,143.05 is: 86,535,177.83
Step by Step Solution
- Step 1: Write the proportion equation
104,517,511.69 : 144,242,234.45 = 62,703,143.05 : x - Step 2: Convert to fraction form
104,517,511.69/144,242,234.45 = 62,703,143.05/x - Step 3: Cross multiply
104,517,511.69x = 144,242,234.45 × 62,703,143.05 - Step 4: Simplify right side
104,517,511.69x = 9,044,441,460,569,986 - Step 5: Solve for x
x = 9,044,441,460,569,986/104,517,511.69 - Step 6: Final answer
x = 86,535,177.83
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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.