Finding the Fourth Proportional to 56,163,240.96, 77,503,785.81 and 31,383,631.44
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Solution
The fourth proportional to 56,163,240.96, 77,503,785.81 and 31,383,631.44 is: 43,308,580.62
Step by Step Solution
- Step 1: Write the proportion equation
56,163,240.96 : 77,503,785.81 = 31,383,631.44 : x - Step 2: Convert to fraction form
56,163,240.96/77,503,785.81 = 31,383,631.44/x - Step 3: Cross multiply
56,163,240.96x = 77,503,785.81 × 31,383,631.44 - Step 4: Simplify right side
56,163,240.96x = 2,432,350,249,065,742 - Step 5: Solve for x
x = 2,432,350,249,065,742/56,163,240.96 - Step 6: Final answer
x = 43,308,580.62
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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.