Finding the Fourth Proportional to 202,992,905.48, 280,132,896.90 and 110,174,525.96
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Solution
The fourth proportional to 202,992,905.48, 280,132,896.90 and 110,174,525.96 is: 152,042,304.38
Step by Step Solution
- Step 1: Write the proportion equation
202,992,905.48 : 280,132,896.90 = 110,174,525.96 : x - Step 2: Convert to fraction form
202,992,905.48/280,132,896.90 = 110,174,525.96/x - Step 3: Cross multiply
202,992,905.48x = 280,132,896.90 × 110,174,525.96 - Step 4: Simplify right side
202,992,905.48x = 30,863,509,121,759,048 - Step 5: Solve for x
x = 30,863,509,121,759,048/202,992,905.48 - Step 6: Final answer
x = 152,042,304.38
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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.