Finding the Fourth Proportional to 122,978,796.80, 184,468,195.20 and 32,102,385.80
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Solution
The fourth proportional to 122,978,796.80, 184,468,195.20 and 32,102,385.80 is: 48,153,578.70
Step by Step Solution
- Step 1: Write the proportion equation
122,978,796.80 : 184,468,195.20 = 32,102,385.80 : x - Step 2: Convert to fraction form
122,978,796.80/184,468,195.20 = 32,102,385.80/x - Step 3: Cross multiply
122,978,796.80x = 184,468,195.20 × 32,102,385.80 - Step 4: Simplify right side
122,978,796.80x = 5,921,869,170,140,108 - Step 5: Solve for x
x = 5,921,869,170,140,108/122,978,796.80 - Step 6: Final answer
x = 48,153,578.70
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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.