Finding the Fourth Proportional to 210,125,320.23, 315,379,246.05 and 111,839,542.18
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Solution
The fourth proportional to 210,125,320.23, 315,379,246.05 and 111,839,542.18 is: 167,861,114.75
Step by Step Solution
- Step 1: Write the proportion equation
210,125,320.23 : 315,379,246.05 = 111,839,542.18 : x - Step 2: Convert to fraction form
210,125,320.23/315,379,246.05 = 111,839,542.18/x - Step 3: Cross multiply
210,125,320.23x = 315,379,246.05 × 111,839,542.18 - Step 4: Simplify right side
210,125,320.23x = 35,271,870,491,305,576 - Step 5: Solve for x
x = 35,271,870,491,305,576/210,125,320.23 - Step 6: Final answer
x = 167,861,114.75
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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.