Finding the Fourth Proportional to 213,809,685.84, 295,057,366.80 and 116,024,541.84
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Solution
The fourth proportional to 213,809,685.84, 295,057,366.80 and 116,024,541.84 is: 160,113,867.92
Step by Step Solution
- Step 1: Write the proportion equation
213,809,685.84 : 295,057,366.80 = 116,024,541.84 : x - Step 2: Convert to fraction form
213,809,685.84/295,057,366.80 = 116,024,541.84/x - Step 3: Cross multiply
213,809,685.84x = 295,057,366.80 × 116,024,541.84 - Step 4: Simplify right side
213,809,685.84x = 34,233,895,799,486,828 - Step 5: Solve for x
x = 34,233,895,799,486,828/213,809,685.84 - Step 6: Final answer
x = 160,113,867.92
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1.5x scale
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.