Finding the Fourth Proportional to 190,324,037.49, 262,647,171.71 and 107,817,822.24
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Solution
The fourth proportional to 190,324,037.49, 262,647,171.71 and 107,817,822.24 is: 148,788,594.68
Step by Step Solution
- Step 1: Write the proportion equation
190,324,037.49 : 262,647,171.71 = 107,817,822.24 : x - Step 2: Convert to fraction form
190,324,037.49/262,647,171.71 = 107,817,822.24/x - Step 3: Cross multiply
190,324,037.49x = 262,647,171.71 × 107,817,822.24 - Step 4: Simplify right side
190,324,037.49x = 28,318,046,071,267,536 - Step 5: Solve for x
x = 28,318,046,071,267,536/190,324,037.49 - Step 6: Final answer
x = 148,788,594.68
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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.