Finding the Fourth Proportional to 87,348,289.33, 120,539,807.97 and 48,190,382.38
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Solution
The fourth proportional to 87,348,289.33, 120,539,807.97 and 48,190,382.38 is: 66,502,269.05
Step by Step Solution
- Step 1: Write the proportion equation
87,348,289.33 : 120,539,807.97 = 48,190,382.38 : x - Step 2: Convert to fraction form
87,348,289.33/120,539,807.97 = 48,190,382.38/x - Step 3: Cross multiply
87,348,289.33x = 120,539,807.97 × 48,190,382.38 - Step 4: Simplify right side
87,348,289.33x = 5,808,859,438,086,072 - Step 5: Solve for x
x = 5,808,859,438,086,072/87,348,289.33 - Step 6: Final answer
x = 66,502,269.05
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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.