Finding the Fourth Proportional to 127,702,573.12, 176,229,544.20 and 68,965,232.56
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Solution
The fourth proportional to 127,702,573.12, 176,229,544.20 and 68,965,232.56 is: 95,172,017.31
Step by Step Solution
- Step 1: Write the proportion equation
127,702,573.12 : 176,229,544.20 = 68,965,232.56 : x - Step 2: Convert to fraction form
127,702,573.12/176,229,544.20 = 68,965,232.56/x - Step 3: Cross multiply
127,702,573.12x = 176,229,544.20 × 68,965,232.56 - Step 4: Simplify right side
127,702,573.12x = 12,153,711,499,695,798 - Step 5: Solve for x
x = 12,153,711,499,695,798/127,702,573.12 - Step 6: Final answer
x = 95,172,017.31
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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.