Finding the Fourth Proportional to 220,740,494.24, 304,631,281.68 and 122,955,324.32
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Solution
The fourth proportional to 220,740,494.24, 304,631,281.68 and 122,955,324.32 is: 169,683,583.28
Step by Step Solution
- Step 1: Write the proportion equation
220,740,494.24 : 304,631,281.68 = 122,955,324.32 : x - Step 2: Convert to fraction form
220,740,494.24/304,631,281.68 = 122,955,324.32/x - Step 3: Cross multiply
220,740,494.24x = 304,631,281.68 × 122,955,324.32 - Step 4: Simplify right side
220,740,494.24x = 37,456,038,036,981,672 - Step 5: Solve for x
x = 37,456,038,036,981,672/220,740,494.24 - Step 6: Final answer
x = 169,683,583.28
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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.