Finding the Fourth Proportional to 81,299,970.56, 121,857,175.20 and 32,746,730.24
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Solution
The fourth proportional to 81,299,970.56, 121,857,175.20 and 32,746,730.24 is: 49,082,724.34
Step by Step Solution
- Step 1: Write the proportion equation
81,299,970.56 : 121,857,175.20 = 32,746,730.24 : x - Step 2: Convert to fraction form
81,299,970.56/121,857,175.20 = 32,746,730.24/x - Step 3: Cross multiply
81,299,970.56x = 121,857,175.20 × 32,746,730.24 - Step 4: Simplify right side
81,299,970.56x = 3,990,424,044,082,818 - Step 5: Solve for x
x = 3,990,424,044,082,818/81,299,970.56 - Step 6: Final answer
x = 49,082,724.34
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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.