Finding the Fourth Proportional to 202,288,644.18, 279,158,319.84 and 109,469,154.56
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Solution
The fourth proportional to 202,288,644.18, 279,158,319.84 and 109,469,154.56 is: 151,067,428.35
Step by Step Solution
- Step 1: Write the proportion equation
202,288,644.18 : 279,158,319.84 = 109,469,154.56 : x - Step 2: Convert to fraction form
202,288,644.18/279,158,319.84 = 109,469,154.56/x - Step 3: Cross multiply
202,288,644.18x = 279,158,319.84 × 109,469,154.56 - Step 4: Simplify right side
202,288,644.18x = 30,559,225,259,879,080 - Step 5: Solve for x
x = 30,559,225,259,879,080/202,288,644.18 - Step 6: Final answer
x = 151,067,428.35
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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.