Finding the Fourth Proportional to 181,484,921.80, 272,227,382.70 and 158,810,105.80
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Solution
The fourth proportional to 181,484,921.80, 272,227,382.70 and 158,810,105.80 is: 238,215,158.70
Step by Step Solution
- Step 1: Write the proportion equation
181,484,921.80 : 272,227,382.70 = 158,810,105.80 : x - Step 2: Convert to fraction form
181,484,921.80/272,227,382.70 = 158,810,105.80/x - Step 3: Cross multiply
181,484,921.80x = 272,227,382.70 × 158,810,105.80 - Step 4: Simplify right side
181,484,921.80x = 43,232,459,448,244,088 - Step 5: Solve for x
x = 43,232,459,448,244,088/181,484,921.80 - Step 6: Final answer
x = 238,215,158.70
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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.