Finding the Fourth Proportional to 85,446,021.60, 128,172,531.60 and 24,861,747.60
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Solution
The fourth proportional to 85,446,021.60, 128,172,531.60 and 24,861,747.60 is: 37,293,639.54
Step by Step Solution
- Step 1: Write the proportion equation
85,446,021.60 : 128,172,531.60 = 24,861,747.60 : x - Step 2: Convert to fraction form
85,446,021.60/128,172,531.60 = 24,861,747.60/x - Step 3: Cross multiply
85,446,021.60x = 128,172,531.60 × 24,861,747.60 - Step 4: Simplify right side
85,446,021.60x = 3,186,593,129,892,224 - Step 5: Solve for x
x = 3,186,593,129,892,224/85,446,021.60 - Step 6: Final answer
x = 37,293,639.54
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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.