Finding the Fourth Proportional to 284,860,072.99, 427,230,321.63 and 80,340,318.55
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Solution
The fourth proportional to 284,860,072.99, 427,230,321.63 and 80,340,318.55 is: 120,493,615.59
Step by Step Solution
- Step 1: Write the proportion equation
284,860,072.99 : 427,230,321.63 = 80,340,318.55 : x - Step 2: Convert to fraction form
284,860,072.99/427,230,321.63 = 80,340,318.55/x - Step 3: Cross multiply
284,860,072.99x = 427,230,321.63 × 80,340,318.55 - Step 4: Simplify right side
284,860,072.99x = 34,323,820,132,516,812 - Step 5: Solve for x
x = 34,323,820,132,516,812/284,860,072.99 - Step 6: Final answer
x = 120,493,615.59
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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.