Finding the Fourth Proportional to 122,347,853.40, 183,622,163.40 and 121,391,259.60
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Solution
The fourth proportional to 122,347,853.40, 183,622,163.40 and 121,391,259.60 is: 182,186,487.84
Step by Step Solution
- Step 1: Write the proportion equation
122,347,853.40 : 183,622,163.40 = 121,391,259.60 : x - Step 2: Convert to fraction form
122,347,853.40/183,622,163.40 = 121,391,259.60/x - Step 3: Cross multiply
122,347,853.40x = 183,622,163.40 × 121,391,259.60 - Step 4: Simplify right side
122,347,853.40x = 22,290,125,705,603,020 - Step 5: Solve for x
x = 22,290,125,705,603,020/122,347,853.40 - Step 6: Final answer
x = 182,186,487.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.