Finding the Fourth Proportional to 91,270,520.70, 125,953,757.11 and 49,454,574.96
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Solution
The fourth proportional to 91,270,520.70, 125,953,757.11 and 49,454,574.96 is: 68,247,551.06
Step by Step Solution
- Step 1: Write the proportion equation
91,270,520.70 : 125,953,757.11 = 49,454,574.96 : x - Step 2: Convert to fraction form
91,270,520.70/125,953,757.11 = 49,454,574.96/x - Step 3: Cross multiply
91,270,520.70x = 125,953,757.11 × 49,454,574.96 - Step 4: Simplify right side
91,270,520.70x = 6,228,989,522,037,848 - Step 5: Solve for x
x = 6,228,989,522,037,848/91,270,520.70 - Step 6: Final answer
x = 68,247,551.06
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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.