Finding the Fourth Proportional to 125,570,811.77, 173,289,734.70 and 69,057,791.02
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Solution
The fourth proportional to 125,570,811.77, 173,289,734.70 and 69,057,791.02 is: 95,300,859.46
Step by Step Solution
- Step 1: Write the proportion equation
125,570,811.77 : 173,289,734.70 = 69,057,791.02 : x - Step 2: Convert to fraction form
125,570,811.77/173,289,734.70 = 69,057,791.02/x - Step 3: Cross multiply
125,570,811.77x = 173,289,734.70 × 69,057,791.02 - Step 4: Simplify right side
125,570,811.77x = 11,967,006,284,823,840 - Step 5: Solve for x
x = 11,967,006,284,823,840/125,570,811.77 - Step 6: Final answer
x = 95,300,859.46
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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.