Finding the Fourth Proportional to 87,365,845.18, 120,564,724.87 and 48,207,592.38
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Solution
The fourth proportional to 87,365,845.18, 120,564,724.87 and 48,207,592.38 is: 66,526,399.42
Step by Step Solution
- Step 1: Write the proportion equation
87,365,845.18 : 120,564,724.87 = 48,207,592.38 : x - Step 2: Convert to fraction form
87,365,845.18/120,564,724.87 = 48,207,592.38/x - Step 3: Cross multiply
87,365,845.18x = 120,564,724.87 × 48,207,592.38 - Step 4: Simplify right side
87,365,845.18x = 5,812,135,111,939,809 - Step 5: Solve for x
x = 5,812,135,111,939,809/87,365,845.18 - Step 6: Final answer
x = 66,526,399.42
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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.