Finding the Fourth Proportional to 85,993,750.80, 128,990,626.20 and 24,582,790.80
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Solution
The fourth proportional to 85,993,750.80, 128,990,626.20 and 24,582,790.80 is: 36,874,186.20
Step by Step Solution
- Step 1: Write the proportion equation
85,993,750.80 : 128,990,626.20 = 24,582,790.80 : x - Step 2: Convert to fraction form
85,993,750.80/128,990,626.20 = 24,582,790.80/x - Step 3: Cross multiply
85,993,750.80x = 128,990,626.20 × 24,582,790.80 - Step 4: Simplify right side
85,993,750.80x = 3,170,949,579,035,599 - Step 5: Solve for x
x = 3,170,949,579,035,599/85,993,750.80 - Step 6: Final answer
x = 36,874,186.20
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1.5x scale
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.