Finding the Fourth Proportional to 220,740,497.24, 304,631,285.82 and 122,955,327.32
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Solution
The fourth proportional to 220,740,497.24, 304,631,285.82 and 122,955,327.32 is: 169,683,587.42
Step by Step Solution
- Step 1: Write the proportion equation
220,740,497.24 : 304,631,285.82 = 122,955,327.32 : x - Step 2: Convert to fraction form
220,740,497.24/304,631,285.82 = 122,955,327.32/x - Step 3: Cross multiply
220,740,497.24x = 304,631,285.82 × 122,955,327.32 - Step 4: Simplify right side
220,740,497.24x = 37,456,039,459,910,568 - Step 5: Solve for x
x = 37,456,039,459,910,568/220,740,497.24 - Step 6: Final answer
x = 169,683,587.42
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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.