Finding the Fourth Proportional to 122,361,106.60, 183,569,311.68 and 40,479,791.50
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Solution
The fourth proportional to 122,361,106.60, 183,569,311.68 and 40,479,791.50 is: 60,728,835.08
Step by Step Solution
- Step 1: Write the proportion equation
122,361,106.60 : 183,569,311.68 = 40,479,791.50 : x - Step 2: Convert to fraction form
122,361,106.60/183,569,311.68 = 40,479,791.50/x - Step 3: Cross multiply
122,361,106.60x = 183,569,311.68 × 40,479,791.50 - Step 4: Simplify right side
122,361,106.60x = 7,430,847,462,604,915 - Step 5: Solve for x
x = 7,430,847,462,604,915/122,361,106.60 - Step 6: Final answer
x = 60,728,835.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.