Finding the Fourth Proportional to 91,889,393.21, 137,750,664.26 and 45,845,344.97
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Solution
The fourth proportional to 91,889,393.21, 137,750,664.26 and 45,845,344.97 is: 68,726,394.88
Step by Step Solution
- Step 1: Write the proportion equation
91,889,393.21 : 137,750,664.26 = 45,845,344.97 : x - Step 2: Convert to fraction form
91,889,393.21/137,750,664.26 = 45,845,344.97/x - Step 3: Cross multiply
91,889,393.21x = 137,750,664.26 × 45,845,344.97 - Step 4: Simplify right side
91,889,393.21x = 6,315,226,722,272,210 - Step 5: Solve for x
x = 6,315,226,722,272,210/91,889,393.21 - Step 6: Final answer
x = 68,726,394.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.