Finding the Fourth Proportional to 174,743,947.20, 262,115,920.80 and 117,263,755.20
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Solution
The fourth proportional to 174,743,947.20, 262,115,920.80 and 117,263,755.20 is: 175,895,632.80
Step by Step Solution
- Step 1: Write the proportion equation
174,743,947.20 : 262,115,920.80 = 117,263,755.20 : x - Step 2: Convert to fraction form
174,743,947.20/262,115,920.80 = 117,263,755.20/x - Step 3: Cross multiply
174,743,947.20x = 262,115,920.80 × 117,263,755.20 - Step 4: Simplify right side
174,743,947.20x = 30,736,697,170,713,792 - Step 5: Solve for x
x = 30,736,697,170,713,792/174,743,947.20 - Step 6: Final answer
x = 175,895,632.80
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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.