Finding the Fourth Proportional to 142,072,309.44, 213,022,167.84 and 55,707,243.84
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Solution
The fourth proportional to 142,072,309.44, 213,022,167.84 and 55,707,243.84 is: 83,527,028.55
Step by Step Solution
- Step 1: Write the proportion equation
142,072,309.44 : 213,022,167.84 = 55,707,243.84 : x - Step 2: Convert to fraction form
142,072,309.44/213,022,167.84 = 55,707,243.84/x - Step 3: Cross multiply
142,072,309.44x = 213,022,167.84 × 55,707,243.84 - Step 4: Simplify right side
142,072,309.44x = 11,866,877,847,188,288 - Step 5: Solve for x
x = 11,866,877,847,188,288/142,072,309.44 - Step 6: Final answer
x = 83,527,028.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.