Finding the Fourth Proportional to 173,887,471.80, 260,831,207.70 and 105,863,023.80
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Solution
The fourth proportional to 173,887,471.80, 260,831,207.70 and 105,863,023.80 is: 158,794,535.70
Step by Step Solution
- Step 1: Write the proportion equation
173,887,471.80 : 260,831,207.70 = 105,863,023.80 : x - Step 2: Convert to fraction form
173,887,471.80/260,831,207.70 = 105,863,023.80/x - Step 3: Cross multiply
173,887,471.80x = 260,831,207.70 × 105,863,023.80 - Step 4: Simplify right side
173,887,471.80x = 27,612,380,348,527,840 - Step 5: Solve for x
x = 27,612,380,348,527,840/173,887,471.80 - Step 6: Final answer
x = 158,794,535.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.