Finding the Fourth Proportional to 146,709,629.40, 220,064,444.10 and 135,624,163.80
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Solution
The fourth proportional to 146,709,629.40, 220,064,444.10 and 135,624,163.80 is: 203,436,245.70
Step by Step Solution
- Step 1: Write the proportion equation
146,709,629.40 : 220,064,444.10 = 135,624,163.80 : x - Step 2: Convert to fraction form
146,709,629.40/220,064,444.10 = 135,624,163.80/x - Step 3: Cross multiply
146,709,629.40x = 220,064,444.10 × 135,624,163.80 - Step 4: Simplify right side
146,709,629.40x = 29,846,056,213,174,344 - Step 5: Solve for x
x = 29,846,056,213,174,344/146,709,629.40 - Step 6: Final answer
x = 203,436,245.70
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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.