Finding the Fourth Proportional to 68,548,240.37, 94,596,571.70 and 39,180,203.49
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Solution
The fourth proportional to 68,548,240.37, 94,596,571.70 and 39,180,203.49 is: 54,068,680.82
Step by Step Solution
- Step 1: Write the proportion equation
68,548,240.37 : 94,596,571.70 = 39,180,203.49 : x - Step 2: Convert to fraction form
68,548,240.37/94,596,571.70 = 39,180,203.49/x - Step 3: Cross multiply
68,548,240.37x = 94,596,571.70 × 39,180,203.49 - Step 4: Simplify right side
68,548,240.37x = 3,706,312,928,760,326 - Step 5: Solve for x
x = 3,706,312,928,760,326/68,548,240.37 - Step 6: Final answer
x = 54,068,680.82
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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.