Finding the Fourth Proportional to 115,894,822.44, 159,943,750.56 and 66,350,735.58
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Solution
The fourth proportional to 115,894,822.44, 159,943,750.56 and 66,350,735.58 is: 91,569,107.90
Step by Step Solution
- Step 1: Write the proportion equation
115,894,822.44 : 159,943,750.56 = 66,350,735.58 : x - Step 2: Convert to fraction form
115,894,822.44/159,943,750.56 = 66,350,735.58/x - Step 3: Cross multiply
115,894,822.44x = 159,943,750.56 × 66,350,735.58 - Step 4: Simplify right side
115,894,822.44x = 10,612,385,501,080,036 - Step 5: Solve for x
x = 10,612,385,501,080,036/115,894,822.44 - Step 6: Final answer
x = 91,569,107.90
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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.