Finding the Fourth Proportional to 251,986,180.76, 347,742,415.70 and 146,202,582.96
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Solution
The fourth proportional to 251,986,180.76, 347,742,415.70 and 146,202,582.96 is: 201,760,426.81
Step by Step Solution
- Step 1: Write the proportion equation
251,986,180.76 : 347,742,415.70 = 146,202,582.96 : x - Step 2: Convert to fraction form
251,986,180.76/347,742,415.70 = 146,202,582.96/x - Step 3: Cross multiply
251,986,180.76x = 347,742,415.70 × 146,202,582.96 - Step 4: Simplify right side
251,986,180.76x = 50,840,839,380,090,056 - Step 5: Solve for x
x = 50,840,839,380,090,056/251,986,180.76 - Step 6: Final answer
x = 201,760,426.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.