Finding the Fourth Proportional to 104,250,624.09, 143,868,058.61 and 57,207,286.09
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Solution
The fourth proportional to 104,250,624.09, 143,868,058.61 and 57,207,286.09 is: 78,947,260.60
Step by Step Solution
- Step 1: Write the proportion equation
104,250,624.09 : 143,868,058.61 = 57,207,286.09 : x - Step 2: Convert to fraction form
104,250,624.09/143,868,058.61 = 57,207,286.09/x - Step 3: Cross multiply
104,250,624.09x = 143,868,058.61 × 57,207,286.09 - Step 4: Simplify right side
104,250,624.09x = 8,230,301,187,898,506 - Step 5: Solve for x
x = 8,230,301,187,898,506/104,250,624.09 - Step 6: Final answer
x = 78,947,260.60
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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.