Finding the Fourth Proportional to 80,851,038.10, 121,276,557.15 and 32,336,379.70
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Solution
The fourth proportional to 80,851,038.10, 121,276,557.15 and 32,336,379.70 is: 48,504,569.55
Step by Step Solution
- Step 1: Write the proportion equation
80,851,038.10 : 121,276,557.15 = 32,336,379.70 : x - Step 2: Convert to fraction form
80,851,038.10/121,276,557.15 = 32,336,379.70/x - Step 3: Cross multiply
80,851,038.10x = 121,276,557.15 × 32,336,379.70 - Step 4: Simplify right side
80,851,038.10x = 3,921,644,800,711,150 - Step 5: Solve for x
x = 3,921,644,800,711,150/80,851,038.10 - Step 6: Final answer
x = 48,504,569.55
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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.