Finding the Fourth Proportional to 124,468,277.70, 186,702,416.55 and 67,072,649.70
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Solution
The fourth proportional to 124,468,277.70, 186,702,416.55 and 67,072,649.70 is: 100,608,974.55
Step by Step Solution
- Step 1: Write the proportion equation
124,468,277.70 : 186,702,416.55 = 67,072,649.70 : x - Step 2: Convert to fraction form
124,468,277.70/186,702,416.55 = 67,072,649.70/x - Step 3: Cross multiply
124,468,277.70x = 186,702,416.55 × 67,072,649.70 - Step 4: Simplify right side
124,468,277.70x = 12,522,625,783,401,634 - Step 5: Solve for x
x = 12,522,625,783,401,634/124,468,277.70 - Step 6: Final answer
x = 100,608,974.55
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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.