Finding the Fourth Proportional to 89,945,751.75, 124,125,179.21 and 48,692,644.12
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Solution
The fourth proportional to 89,945,751.75, 124,125,179.21 and 48,692,644.12 is: 67,195,871.51
Step by Step Solution
- Step 1: Write the proportion equation
89,945,751.75 : 124,125,179.21 = 48,692,644.12 : x - Step 2: Convert to fraction form
89,945,751.75/124,125,179.21 = 48,692,644.12/x - Step 3: Cross multiply
89,945,751.75x = 124,125,179.21 × 48,692,644.12 - Step 4: Simplify right side
89,945,751.75x = 6,043,983,177,603,752 - Step 5: Solve for x
x = 6,043,983,177,603,752/89,945,751.75 - Step 6: Final answer
x = 67,195,871.51
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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.