Finding the Fourth Proportional to 189,557,644.96, 284,347,489.92 and 53,253,657.28
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Solution
The fourth proportional to 189,557,644.96, 284,347,489.92 and 53,253,657.28 is: 79,883,582.54
Step by Step Solution
- Step 1: Write the proportion equation
189,557,644.96 : 284,347,489.92 = 53,253,657.28 : x - Step 2: Convert to fraction form
189,557,644.96/284,347,489.92 = 53,253,657.28/x - Step 3: Cross multiply
189,557,644.96x = 284,347,489.92 × 53,253,657.28 - Step 4: Simplify right side
189,557,644.96x = 15,142,543,776,627,936 - Step 5: Solve for x
x = 15,142,543,776,627,936/189,557,644.96 - Step 6: Final answer
x = 79,883,582.54
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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.