Finding the Fourth Proportional to 199,742,743.14, 299,585,949.30 and 68,582,943.39
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Solution
The fourth proportional to 199,742,743.14, 299,585,949.30 and 68,582,943.39 is: 102,864,744.31
Step by Step Solution
- Step 1: Write the proportion equation
199,742,743.14 : 299,585,949.30 = 68,582,943.39 : x - Step 2: Convert to fraction form
199,742,743.14/299,585,949.30 = 68,582,943.39/x - Step 3: Cross multiply
199,742,743.14x = 299,585,949.30 × 68,582,943.39 - Step 4: Simplify right side
199,742,743.14x = 20,546,486,200,376,880 - Step 5: Solve for x
x = 20,546,486,200,376,880/199,742,743.14 - Step 6: Final answer
x = 102,864,744.31
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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.