Finding the Fourth Proportional to 178,260,486.70, 249,734,742.50 and 178,260,486.70
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Solution
The fourth proportional to 178,260,486.70, 249,734,742.50 and 178,260,486.70 is: 249,734,742.50
Step by Step Solution
- Step 1: Write the proportion equation
178,260,486.70 : 249,734,742.50 = 178,260,486.70 : x - Step 2: Convert to fraction form
178,260,486.70/249,734,742.50 = 178,260,486.70/x - Step 3: Cross multiply
178,260,486.70x = 249,734,742.50 × 178,260,486.70 - Step 4: Simplify right side
178,260,486.70x = 44,517,836,743,949,168 - Step 5: Solve for x
x = 44,517,836,743,949,168/178,260,486.70 - Step 6: Final answer
x = 249,734,742.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.