Finding the Fourth Proportional to 273,492,367.86, 377,405,132.85 and 149,709,334.26
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Solution
The fourth proportional to 273,492,367.86, 377,405,132.85 and 149,709,334.26 is: 206,591,034.43
Step by Step Solution
- Step 1: Write the proportion equation
273,492,367.86 : 377,405,132.85 = 149,709,334.26 : x - Step 2: Convert to fraction form
273,492,367.86/377,405,132.85 = 149,709,334.26/x - Step 3: Cross multiply
273,492,367.86x = 377,405,132.85 × 149,709,334.26 - Step 4: Simplify right side
273,492,367.86x = 56,501,071,185,280,360 - Step 5: Solve for x
x = 56,501,071,185,280,360/273,492,367.86 - Step 6: Final answer
x = 206,591,034.43
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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.