Finding the Fourth Proportional to 125,947,703.92, 173,800,803.84 and 69,430,626.40
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Solution
The fourth proportional to 125,947,703.92, 173,800,803.84 and 69,430,626.40 is: 95,810,390.38
Step by Step Solution
- Step 1: Write the proportion equation
125,947,703.92 : 173,800,803.84 = 69,430,626.40 : x - Step 2: Convert to fraction form
125,947,703.92/173,800,803.84 = 69,430,626.40/x - Step 3: Cross multiply
125,947,703.92x = 173,800,803.84 × 69,430,626.40 - Step 4: Simplify right side
125,947,703.92x = 12,067,098,679,434,726 - Step 5: Solve for x
x = 12,067,098,679,434,726/125,947,703.92 - Step 6: Final answer
x = 95,810,390.38
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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.