Finding the Fourth Proportional to 48,076,511.72, 66,368,463.72 and 32,208,918.68
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Solution
The fourth proportional to 48,076,511.72, 66,368,463.72 and 32,208,918.68 is: 44,463,634.62
Step by Step Solution
- Step 1: Write the proportion equation
48,076,511.72 : 66,368,463.72 = 32,208,918.68 : x - Step 2: Convert to fraction form
48,076,511.72/66,368,463.72 = 32,208,918.68/x - Step 3: Cross multiply
48,076,511.72x = 66,368,463.72 × 32,208,918.68 - Step 4: Simplify right side
48,076,511.72x = 2,137,656,450,874,010.25 - Step 5: Solve for x
x = 2,137,656,450,874,010.25/48,076,511.72 - Step 6: Final answer
x = 44,463,634.62
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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.