Finding the Fourth Proportional to 195,517,639.20, 293,465,415.60 and 98,582,800.80
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Solution
The fourth proportional to 195,517,639.20, 293,465,415.60 and 98,582,800.80 is: 147,969,475.93
Step by Step Solution
- Step 1: Write the proportion equation
195,517,639.20 : 293,465,415.60 = 98,582,800.80 : x - Step 2: Convert to fraction form
195,517,639.20/293,465,415.60 = 98,582,800.80/x - Step 3: Cross multiply
195,517,639.20x = 293,465,415.60 × 98,582,800.80 - Step 4: Simplify right side
195,517,639.20x = 28,930,642,607,784,012 - Step 5: Solve for x
x = 28,930,642,607,784,012/195,517,639.20 - Step 6: Final answer
x = 147,969,475.93
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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.