Finding the Fourth Proportional to 83,612,743.90, 125,370,302.01 and 32,434,961.02
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Solution
The fourth proportional to 83,612,743.90, 125,370,302.01 and 32,434,961.02 is: 48,633,505.72
Step by Step Solution
- Step 1: Write the proportion equation
83,612,743.90 : 125,370,302.01 = 32,434,961.02 : x - Step 2: Convert to fraction form
83,612,743.90/125,370,302.01 = 32,434,961.02/x - Step 3: Cross multiply
83,612,743.90x = 125,370,302.01 × 32,434,961.02 - Step 4: Simplify right side
83,612,743.90x = 4,066,380,858,759,978 - Step 5: Solve for x
x = 4,066,380,858,759,978/83,612,743.90 - Step 6: Final answer
x = 48,633,505.72
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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.