Finding the Fourth Proportional to 192,457,497.40, 288,686,246.10 and 188,631,122.20
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Solution
The fourth proportional to 192,457,497.40, 288,686,246.10 and 188,631,122.20 is: 282,946,683.30
Step by Step Solution
- Step 1: Write the proportion equation
192,457,497.40 : 288,686,246.10 = 188,631,122.20 : x - Step 2: Convert to fraction form
192,457,497.40/288,686,246.10 = 188,631,122.20/x - Step 3: Cross multiply
192,457,497.40x = 288,686,246.10 × 188,631,122.20 - Step 4: Simplify right side
192,457,497.40x = 54,455,210,565,548,376 - Step 5: Solve for x
x = 54,455,210,565,548,376/192,457,497.40 - Step 6: Final answer
x = 282,946,683.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.