Finding the Fourth Proportional to 319,000,057.72, 478,585,149.98 and 114,529,904.44
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Solution
The fourth proportional to 319,000,057.72, 478,585,149.98 and 114,529,904.44 is: 171,825,396.79
Step by Step Solution
- Step 1: Write the proportion equation
319,000,057.72 : 478,585,149.98 = 114,529,904.44 : x - Step 2: Convert to fraction form
319,000,057.72/478,585,149.98 = 114,529,904.44/x - Step 3: Cross multiply
319,000,057.72x = 478,585,149.98 × 114,529,904.44 - Step 4: Simplify right side
319,000,057.72x = 54,812,311,493,612,472 - Step 5: Solve for x
x = 54,812,311,493,612,472/319,000,057.72 - Step 6: Final answer
x = 171,825,396.79
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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.