Finding the Fourth Proportional to 122,152,388.72, 183,229,859.97 and 48,394,117.98
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Solution
The fourth proportional to 122,152,388.72, 183,229,859.97 and 48,394,117.98 is: 72,591,682.85
Step by Step Solution
- Step 1: Write the proportion equation
122,152,388.72 : 183,229,859.97 = 48,394,117.98 : x - Step 2: Convert to fraction form
122,152,388.72/183,229,859.97 = 48,394,117.98/x - Step 3: Cross multiply
122,152,388.72x = 183,229,859.97 × 48,394,117.98 - Step 4: Simplify right side
122,152,388.72x = 8,867,247,460,847,059 - Step 5: Solve for x
x = 8,867,247,460,847,059/122,152,388.72 - Step 6: Final answer
x = 72,591,682.85
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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.