Finding the Fourth Proportional to 118,321,823.20, 177,482,734.80 and 98,166,431.20
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Solution
The fourth proportional to 118,321,823.20, 177,482,734.80 and 98,166,431.20 is: 147,249,646.80
Step by Step Solution
- Step 1: Write the proportion equation
118,321,823.20 : 177,482,734.80 = 98,166,431.20 : x - Step 2: Convert to fraction form
118,321,823.20/177,482,734.80 = 98,166,431.20/x - Step 3: Cross multiply
118,321,823.20x = 177,482,734.80 × 98,166,431.20 - Step 4: Simplify right side
118,321,823.20x = 17,422,846,674,932,048 - Step 5: Solve for x
x = 17,422,846,674,932,048/118,321,823.20 - Step 6: Final answer
x = 147,249,646.80
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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.