Finding the Fourth Proportional to 104,250,626.09, 143,868,061.37 and 57,207,288.09
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Solution
The fourth proportional to 104,250,626.09, 143,868,061.37 and 57,207,288.09 is: 78,947,263.36
Step by Step Solution
- Step 1: Write the proportion equation
104,250,626.09 : 143,868,061.37 = 57,207,288.09 : x - Step 2: Convert to fraction form
104,250,626.09/143,868,061.37 = 57,207,288.09/x - Step 3: Cross multiply
104,250,626.09x = 143,868,061.37 × 57,207,288.09 - Step 4: Simplify right side
104,250,626.09x = 8,230,301,633,743,391 - Step 5: Solve for x
x = 8,230,301,633,743,391/104,250,626.09 - Step 6: Final answer
x = 78,947,263.36
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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.