Finding the Fourth Proportional to 74,318,730.21, 102,597,124.92 and 46,456,939.38
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Solution
The fourth proportional to 74,318,730.21, 102,597,124.92 and 46,456,939.38 is: 64,133,878.49
Step by Step Solution
- Step 1: Write the proportion equation
74,318,730.21 : 102,597,124.92 = 46,456,939.38 : x - Step 2: Convert to fraction form
74,318,730.21/102,597,124.92 = 46,456,939.38/x - Step 3: Cross multiply
74,318,730.21x = 102,597,124.92 × 46,456,939.38 - Step 4: Simplify right side
74,318,730.21x = 4,766,348,412,970,728 - Step 5: Solve for x
x = 4,766,348,412,970,728/74,318,730.21 - Step 6: Final answer
x = 64,133,878.49
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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.