Finding the Fourth Proportional to 90,966,536.53, 125,542,476.12 and 49,719,629.05
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Solution
The fourth proportional to 90,966,536.53, 125,542,476.12 and 49,719,629.05 is: 68,617,819.04
Step by Step Solution
- Step 1: Write the proportion equation
90,966,536.53 : 125,542,476.12 = 49,719,629.05 : x - Step 2: Convert to fraction form
90,966,536.53/125,542,476.12 = 49,719,629.05/x - Step 3: Cross multiply
90,966,536.53x = 125,542,476.12 × 49,719,629.05 - Step 4: Simplify right side
90,966,536.53x = 6,241,925,342,704,883 - Step 5: Solve for x
x = 6,241,925,342,704,883/90,966,536.53 - Step 6: Final answer
x = 68,617,819.04
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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.