Finding the Fourth Proportional to 71,845,331.49, 107,836,129.80 and 44,468,812.69
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Solution
The fourth proportional to 71,845,331.49, 107,836,129.80 and 44,468,812.69 is: 66,745,389.82
Step by Step Solution
- Step 1: Write the proportion equation
71,845,331.49 : 107,836,129.80 = 44,468,812.69 : x - Step 2: Convert to fraction form
71,845,331.49/107,836,129.80 = 44,468,812.69/x - Step 3: Cross multiply
71,845,331.49x = 107,836,129.80 × 44,468,812.69 - Step 4: Simplify right side
71,845,331.49x = 4,795,344,657,068,383 - Step 5: Solve for x
x = 4,795,344,657,068,383/71,845,331.49 - Step 6: Final answer
x = 66,745,389.82
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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.