Finding the Fourth Proportional to 66,029,217.09, 91,123,165.46 and 36,660,551.08
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Solution
The fourth proportional to 66,029,217.09, 91,123,165.46 and 36,660,551.08 is: 50,593,140.57
Step by Step Solution
- Step 1: Write the proportion equation
66,029,217.09 : 91,123,165.46 = 36,660,551.08 : x - Step 2: Convert to fraction form
66,029,217.09/91,123,165.46 = 36,660,551.08/x - Step 3: Cross multiply
66,029,217.09x = 91,123,165.46 × 36,660,551.08 - Step 4: Simplify right side
66,029,217.09x = 3,340,625,461,917,621.50 - Step 5: Solve for x
x = 3,340,625,461,917,621.50/66,029,217.09 - Step 6: Final answer
x = 50,593,140.57
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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.