Finding the Fourth Proportional to 84,770,108.74, 116,974,754.33 and 47,593,128.07
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Solution
The fourth proportional to 84,770,108.74, 116,974,754.33 and 47,593,128.07 is: 65,674,027.63
Step by Step Solution
- Step 1: Write the proportion equation
84,770,108.74 : 116,974,754.33 = 47,593,128.07 : x - Step 2: Convert to fraction form
84,770,108.74/116,974,754.33 = 47,593,128.07/x - Step 3: Cross multiply
84,770,108.74x = 116,974,754.33 × 47,593,128.07 - Step 4: Simplify right side
84,770,108.74x = 5,567,194,463,740,876 - Step 5: Solve for x
x = 5,567,194,463,740,876/84,770,108.74 - Step 6: Final answer
x = 65,674,027.63
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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.