Finding the Fourth Proportional to 221,061,024.05, 305,058,825.95 and 121,939,601.18
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Solution
The fourth proportional to 221,061,024.05, 305,058,825.95 and 121,939,601.18 is: 168,273,677.96
Step by Step Solution
- Step 1: Write the proportion equation
221,061,024.05 : 305,058,825.95 = 121,939,601.18 : x - Step 2: Convert to fraction form
221,061,024.05/305,058,825.95 = 121,939,601.18/x - Step 3: Cross multiply
221,061,024.05x = 305,058,825.95 × 121,939,601.18 - Step 4: Simplify right side
221,061,024.05x = 37,198,751,570,647,040 - Step 5: Solve for x
x = 37,198,751,570,647,040/221,061,024.05 - Step 6: Final answer
x = 168,273,677.96
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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.