Finding the Fourth Proportional to 62,640,383.70, 87,786,116.70 and 62,640,383.70
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Solution
The fourth proportional to 62,640,383.70, 87,786,116.70 and 62,640,383.70 is: 87,786,116.70
Step by Step Solution
- Step 1: Write the proportion equation
62,640,383.70 : 87,786,116.70 = 62,640,383.70 : x - Step 2: Convert to fraction form
62,640,383.70/87,786,116.70 = 62,640,383.70/x - Step 3: Cross multiply
62,640,383.70x = 87,786,116.70 × 62,640,383.70 - Step 4: Simplify right side
62,640,383.70x = 5,498,956,033,620,978 - Step 5: Solve for x
x = 5,498,956,033,620,978/62,640,383.70 - Step 6: Final answer
x = 87,786,116.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.