Finding the Fourth Proportional to 146,575,628.51, 202,273,632.24 and 79,593,988.31
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Solution
The fourth proportional to 146,575,628.51, 202,273,632.24 and 79,593,988.31 is: 109,839,304.68
Step by Step Solution
- Step 1: Write the proportion equation
146,575,628.51 : 202,273,632.24 = 79,593,988.31 : x - Step 2: Convert to fraction form
146,575,628.51/202,273,632.24 = 79,593,988.31/x - Step 3: Cross multiply
146,575,628.51x = 202,273,632.24 × 79,593,988.31 - Step 4: Simplify right side
146,575,628.51x = 16,099,765,119,127,640 - Step 5: Solve for x
x = 16,099,765,119,127,640/146,575,628.51 - Step 6: Final answer
x = 109,839,304.68
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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.