Finding the Fourth Proportional to 305,904,321.99, 459,068,396.85 and 121,652,918.91
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Solution
The fourth proportional to 305,904,321.99, 459,068,396.85 and 121,652,918.91 is: 182,563,652.89
Step by Step Solution
- Step 1: Write the proportion equation
305,904,321.99 : 459,068,396.85 = 121,652,918.91 : x - Step 2: Convert to fraction form
305,904,321.99/459,068,396.85 = 121,652,918.91/x - Step 3: Cross multiply
305,904,321.99x = 459,068,396.85 × 121,652,918.91 - Step 4: Simplify right side
305,904,321.99x = 55,847,010,456,136,752 - Step 5: Solve for x
x = 55,847,010,456,136,752/305,904,321.99 - Step 6: Final answer
x = 182,563,652.89
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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.