Finding the Fourth Proportional to 150,215,231.15, 207,398,242.76 and 93,785,976.98
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Solution
The fourth proportional to 150,215,231.15, 207,398,242.76 and 93,785,976.98 is: 129,487,846.69
Step by Step Solution
- Step 1: Write the proportion equation
150,215,231.15 : 207,398,242.76 = 93,785,976.98 : x - Step 2: Convert to fraction form
150,215,231.15/207,398,242.76 = 93,785,976.98/x - Step 3: Cross multiply
150,215,231.15x = 207,398,242.76 × 93,785,976.98 - Step 4: Simplify right side
150,215,231.15x = 19,451,046,821,181,812 - Step 5: Solve for x
x = 19,451,046,821,181,812/150,215,231.15 - Step 6: Final answer
x = 129,487,846.69
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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.