Finding the Fourth Proportional to 66,541,199.09, 91,696,049.39 and 50,877,970.70
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Solution
The fourth proportional to 66,541,199.09, 91,696,049.39 and 50,877,970.70 is: 70,111,584.67
Step by Step Solution
- Step 1: Write the proportion equation
66,541,199.09 : 91,696,049.39 = 50,877,970.70 : x - Step 2: Convert to fraction form
66,541,199.09/91,696,049.39 = 50,877,970.70/x - Step 3: Cross multiply
66,541,199.09x = 91,696,049.39 × 50,877,970.70 - Step 4: Simplify right side
66,541,199.09x = 4,665,308,913,838,887 - Step 5: Solve for x
x = 4,665,308,913,838,887/66,541,199.09 - Step 6: Final answer
x = 70,111,584.67
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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.