Finding the Fourth Proportional to 86,936,704.90, 130,405,057.35 and 26,344,557.70
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Solution
The fourth proportional to 86,936,704.90, 130,405,057.35 and 26,344,557.70 is: 39,516,836.55
Step by Step Solution
- Step 1: Write the proportion equation
86,936,704.90 : 130,405,057.35 = 26,344,557.70 : x - Step 2: Convert to fraction form
86,936,704.90/130,405,057.35 = 26,344,557.70/x - Step 3: Cross multiply
86,936,704.90x = 130,405,057.35 × 26,344,557.70 - Step 4: Simplify right side
86,936,704.90x = 3,435,463,557,728,884 - Step 5: Solve for x
x = 3,435,463,557,728,884/86,936,704.90 - Step 6: Final answer
x = 39,516,836.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.