Finding the Fourth Proportional to 127,784,591.36, 176,427,856.32 and 75,590,394.56
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Solution
The fourth proportional to 127,784,591.36, 176,427,856.32 and 75,590,394.56 is: 104,365,096.99
Step by Step Solution
- Step 1: Write the proportion equation
127,784,591.36 : 176,427,856.32 = 75,590,394.56 : x - Step 2: Convert to fraction form
127,784,591.36/176,427,856.32 = 75,590,394.56/x - Step 3: Cross multiply
127,784,591.36x = 176,427,856.32 × 75,590,394.56 - Step 4: Simplify right side
127,784,591.36x = 13,336,251,270,603,790 - Step 5: Solve for x
x = 13,336,251,270,603,790/127,784,591.36 - Step 6: Final answer
x = 104,365,096.99
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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.