Finding the Fourth Proportional to 66,732,183.16, 92,091,363.44 and 38,473,997.09
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Solution
The fourth proportional to 66,732,183.16, 92,091,363.44 and 38,473,997.09 is: 53,094,664.08
Step by Step Solution
- Step 1: Write the proportion equation
66,732,183.16 : 92,091,363.44 = 38,473,997.09 : x - Step 2: Convert to fraction form
66,732,183.16/92,091,363.44 = 38,473,997.09/x - Step 3: Cross multiply
66,732,183.16x = 92,091,363.44 × 38,473,997.09 - Step 4: Simplify right side
66,732,183.16x = 3,543,122,848,351,866 - Step 5: Solve for x
x = 3,543,122,848,351,866/66,732,183.16 - Step 6: Final answer
x = 53,094,664.08
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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.