Finding the Fourth Proportional to 102,384,108.90, 153,576,163.35 and 66,104,403.30
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Solution
The fourth proportional to 102,384,108.90, 153,576,163.35 and 66,104,403.30 is: 99,156,604.95
Step by Step Solution
- Step 1: Write the proportion equation
102,384,108.90 : 153,576,163.35 = 66,104,403.30 : x - Step 2: Convert to fraction form
102,384,108.90/153,576,163.35 = 66,104,403.30/x - Step 3: Cross multiply
102,384,108.90x = 153,576,163.35 × 66,104,403.30 - Step 4: Simplify right side
102,384,108.90x = 10,152,060,639,355,078 - Step 5: Solve for x
x = 10,152,060,639,355,078/102,384,108.90 - Step 6: Final answer
x = 99,156,604.95
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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.