Finding the Fourth Proportional to 106,926,912.49, 147,542,284.49 and 62,280,232.40
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Solution
The fourth proportional to 106,926,912.49, 147,542,284.49 and 62,280,232.40 is: 85,936,903.56
Step by Step Solution
- Step 1: Write the proportion equation
106,926,912.49 : 147,542,284.49 = 62,280,232.40 : x - Step 2: Convert to fraction form
106,926,912.49/147,542,284.49 = 62,280,232.40/x - Step 3: Cross multiply
106,926,912.49x = 147,542,284.49 × 62,280,232.40 - Step 4: Simplify right side
106,926,912.49x = 9,188,967,766,552,714 - Step 5: Solve for x
x = 9,188,967,766,552,714/106,926,912.49 - Step 6: Final answer
x = 85,936,903.56
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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.