Finding the Fourth Proportional to 163,214,445.20, 244,955,512.20 and 161,938,986.80
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Solution
The fourth proportional to 163,214,445.20, 244,955,512.20 and 161,938,986.80 is: 243,041,278.66
Step by Step Solution
- Step 1: Write the proportion equation
163,214,445.20 : 244,955,512.20 = 161,938,986.80 : x - Step 2: Convert to fraction form
163,214,445.20/244,955,512.20 = 161,938,986.80/x - Step 3: Cross multiply
163,214,445.20x = 244,955,512.20 × 161,938,986.80 - Step 4: Simplify right side
163,214,445.20x = 39,667,847,456,743,040 - Step 5: Solve for x
x = 39,667,847,456,743,040/163,214,445.20 - Step 6: Final answer
x = 243,041,278.66
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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.