Finding the Fourth Proportional to 125,208,137.77, 172,786,593.63 and 69,452,980.95
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Solution
The fourth proportional to 125,208,137.77, 172,786,593.63 and 69,452,980.95 is: 95,844,760.65
Step by Step Solution
- Step 1: Write the proportion equation
125,208,137.77 : 172,786,593.63 = 69,452,980.95 : x - Step 2: Convert to fraction form
125,208,137.77/172,786,593.63 = 69,452,980.95/x - Step 3: Cross multiply
125,208,137.77x = 172,786,593.63 × 69,452,980.95 - Step 4: Simplify right side
125,208,137.77x = 12,000,543,995,799,782 - Step 5: Solve for x
x = 12,000,543,995,799,782/125,208,137.77 - Step 6: Final answer
x = 95,844,760.65
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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.