Finding the Fourth Proportional to 125,993,082.86, 173,871,197.49 and 73,101,283.99
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Solution
The fourth proportional to 125,993,082.86, 173,871,197.49 and 73,101,283.99 is: 100,880,203.08
Step by Step Solution
- Step 1: Write the proportion equation
125,993,082.86 : 173,871,197.49 = 73,101,283.99 : x - Step 2: Convert to fraction form
125,993,082.86/173,871,197.49 = 73,101,283.99/x - Step 3: Cross multiply
125,993,082.86x = 173,871,197.49 × 73,101,283.99 - Step 4: Simplify right side
125,993,082.86x = 12,710,207,785,237,316 - Step 5: Solve for x
x = 12,710,207,785,237,316/125,993,082.86 - Step 6: Final answer
x = 100,880,203.08
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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.