Finding the Fourth Proportional to 316,414,441.08, 436,651,865.62 and 175,294,831.72
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Solution
The fourth proportional to 316,414,441.08, 436,651,865.62 and 175,294,831.72 is: 241,906,832.83
Step by Step Solution
- Step 1: Write the proportion equation
316,414,441.08 : 436,651,865.62 = 175,294,831.72 : x - Step 2: Convert to fraction form
316,414,441.08/436,651,865.62 = 175,294,831.72/x - Step 3: Cross multiply
316,414,441.08x = 436,651,865.62 × 175,294,831.72 - Step 4: Simplify right side
316,414,441.08x = 76,542,815,304,081,952 - Step 5: Solve for x
x = 76,542,815,304,081,952/316,414,441.08 - Step 6: Final answer
x = 241,906,832.83
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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.