Finding the Fourth Proportional to 57,463,516.70, 86,237,265.45 and 40,457,404.70
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Solution
The fourth proportional to 57,463,516.70, 86,237,265.45 and 40,457,404.70 is: 60,715,670.55
Step by Step Solution
- Step 1: Write the proportion equation
57,463,516.70 : 86,237,265.45 = 40,457,404.70 : x - Step 2: Convert to fraction form
57,463,516.70/86,237,265.45 = 40,457,404.70/x - Step 3: Cross multiply
57,463,516.70x = 86,237,265.45 × 40,457,404.70 - Step 4: Simplify right side
57,463,516.70x = 3,488,935,948,531,978 - Step 5: Solve for x
x = 3,488,935,948,531,978/57,463,516.70 - Step 6: Final answer
x = 60,715,670.55
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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.