Finding the Fourth Proportional to 125,699,839.79, 173,545,477.49 and 86,073,682.37
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Solution
The fourth proportional to 125,699,839.79, 173,545,477.49 and 86,073,682.37 is: 118,836,255.73
Step by Step Solution
- Step 1: Write the proportion equation
125,699,839.79 : 173,545,477.49 = 86,073,682.37 : x - Step 2: Convert to fraction form
125,699,839.79/173,545,477.49 = 86,073,682.37/x - Step 3: Cross multiply
125,699,839.79x = 173,545,477.49 × 86,073,682.37 - Step 4: Simplify right side
125,699,839.79x = 14,937,698,305,571,702 - Step 5: Solve for x
x = 14,937,698,305,571,702/125,699,839.79 - Step 6: Final answer
x = 118,836,255.73
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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.