Finding the Fourth Proportional to 136,954,584.76, 188,977,152.18 and 83,281,867.12
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Solution
The fourth proportional to 136,954,584.76, 188,977,152.18 and 83,281,867.12 is: 114,916,708.37
Step by Step Solution
- Step 1: Write the proportion equation
136,954,584.76 : 188,977,152.18 = 83,281,867.12 : x - Step 2: Convert to fraction form
136,954,584.76/188,977,152.18 = 83,281,867.12/x - Step 3: Cross multiply
136,954,584.76x = 188,977,152.18 × 83,281,867.12 - Step 4: Simplify right side
136,954,584.76x = 15,738,370,076,570,780 - Step 5: Solve for x
x = 15,738,370,076,570,780/136,954,584.76 - Step 6: Final answer
x = 114,916,708.37
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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.