Finding the Fourth Proportional to 265,890,207.62, 366,989,710.56 and 155,917,350.02
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Solution
The fourth proportional to 265,890,207.62, 366,989,710.56 and 155,917,350.02 is: 215,201,844.65
Step by Step Solution
- Step 1: Write the proportion equation
265,890,207.62 : 366,989,710.56 = 155,917,350.02 : x - Step 2: Convert to fraction form
265,890,207.62/366,989,710.56 = 155,917,350.02/x - Step 3: Cross multiply
265,890,207.62x = 366,989,710.56 × 155,917,350.02 - Step 4: Simplify right side
265,890,207.62x = 57,220,063,155,122,016 - Step 5: Solve for x
x = 57,220,063,155,122,016/265,890,207.62 - Step 6: Final answer
x = 215,201,844.65
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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.