Finding the Fourth Proportional to 55,633,770.41, 76,779,199.24 and 30,861,943.99
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Solution
The fourth proportional to 55,633,770.41, 76,779,199.24 and 30,861,943.99 is: 42,592,032.30
Step by Step Solution
- Step 1: Write the proportion equation
55,633,770.41 : 76,779,199.24 = 30,861,943.99 : x - Step 2: Convert to fraction form
55,633,770.41/76,779,199.24 = 30,861,943.99/x - Step 3: Cross multiply
55,633,770.41x = 76,779,199.24 × 30,861,943.99 - Step 4: Simplify right side
55,633,770.41x = 2,369,555,346,541,930.50 - Step 5: Solve for x
x = 2,369,555,346,541,930.50/55,633,770.41 - Step 6: Final answer
x = 42,592,032.30
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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.