Finding the Fourth Proportional to 80,869,235.27, 121,180,417.81 and 48,015,107.73
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Solution
The fourth proportional to 80,869,235.27, 121,180,417.81 and 48,015,107.73 is: 71,949,373.54
Step by Step Solution
- Step 1: Write the proportion equation
80,869,235.27 : 121,180,417.81 = 48,015,107.73 : x - Step 2: Convert to fraction form
80,869,235.27/121,180,417.81 = 48,015,107.73/x - Step 3: Cross multiply
80,869,235.27x = 121,180,417.81 × 48,015,107.73 - Step 4: Simplify right side
80,869,235.27x = 5,818,490,815,793,523 - Step 5: Solve for x
x = 5,818,490,815,793,523/80,869,235.27 - Step 6: Final answer
x = 71,949,373.54
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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.