Finding the Fourth Proportional to 67,368,853.68, 92,969,574.02 and 37,194,322.60
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Solution
The fourth proportional to 67,368,853.68, 92,969,574.02 and 37,194,322.60 is: 51,328,472.12
Step by Step Solution
- Step 1: Write the proportion equation
67,368,853.68 : 92,969,574.02 = 37,194,322.60 : x - Step 2: Convert to fraction form
67,368,853.68/92,969,574.02 = 37,194,322.60/x - Step 3: Cross multiply
67,368,853.68x = 92,969,574.02 × 37,194,322.60 - Step 4: Simplify right side
67,368,853.68x = 3,457,940,328,084,459 - Step 5: Solve for x
x = 3,457,940,328,084,459/67,368,853.68 - Step 6: Final answer
x = 51,328,472.12
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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.