Finding the Fourth Proportional to 55,633,770.92, 76,779,199.92 and 30,861,944.49
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Solution
The fourth proportional to 55,633,770.92, 76,779,199.92 and 30,861,944.49 is: 42,592,032.99
Step by Step Solution
- Step 1: Write the proportion equation
55,633,770.92 : 76,779,199.92 = 30,861,944.49 : x - Step 2: Convert to fraction form
55,633,770.92/76,779,199.92 = 30,861,944.49/x - Step 3: Cross multiply
55,633,770.92x = 76,779,199.92 × 30,861,944.49 - Step 4: Simplify right side
55,633,770.92x = 2,369,555,405,917,652.50 - Step 5: Solve for x
x = 2,369,555,405,917,652.50/55,633,770.92 - Step 6: Final answer
x = 42,592,032.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.