Finding the Fourth Proportional to 171,657,749.53, 236,858,976 and 101,107,406.74
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Solution
The fourth proportional to 171,657,749.53, 236,858,976 and 101,107,406.74 is: 139,511,306.03
Step by Step Solution
- Step 1: Write the proportion equation
171,657,749.53 : 236,858,976 = 101,107,406.74 : x - Step 2: Convert to fraction form
171,657,749.53/236,858,976 = 101,107,406.74/x - Step 3: Cross multiply
171,657,749.53x = 236,858,976 × 101,107,406.74 - Step 4: Simplify right side
171,657,749.53x = 23,948,196,826,451,896 - Step 5: Solve for x
x = 23,948,196,826,451,896/171,657,749.53 - Step 6: Final answer
x = 139,511,306.03
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1.5x scale
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.