Finding the Fourth Proportional to 49,207,712.40, 73,811,568.60 and 48,490,267.05
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Solution
The fourth proportional to 49,207,712.40, 73,811,568.60 and 48,490,267.05 is: 72,735,400.58
Step by Step Solution
- Step 1: Write the proportion equation
49,207,712.40 : 73,811,568.60 = 48,490,267.05 : x - Step 2: Convert to fraction form
49,207,712.40/73,811,568.60 = 48,490,267.05/x - Step 3: Cross multiply
49,207,712.40x = 73,811,568.60 × 48,490,267.05 - Step 4: Simplify right side
49,207,712.40x = 3,579,142,672,793,394 - Step 5: Solve for x
x = 3,579,142,672,793,394/49,207,712.40 - Step 6: Final answer
x = 72,735,400.58
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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.