Finding the Fourth Proportional to 118,631,496.88, 177,821,689.92 and 53,980,702.53
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Solution
The fourth proportional to 118,631,496.88, 177,821,689.92 and 53,980,702.53 is: 80,913,922.52
Step by Step Solution
- Step 1: Write the proportion equation
118,631,496.88 : 177,821,689.92 = 53,980,702.53 : x - Step 2: Convert to fraction form
118,631,496.88/177,821,689.92 = 53,980,702.53/x - Step 3: Cross multiply
118,631,496.88x = 177,821,689.92 × 53,980,702.53 - Step 4: Simplify right side
118,631,496.88x = 9,598,939,746,953,420 - Step 5: Solve for x
x = 9,598,939,746,953,420/118,631,496.88 - Step 6: Final answer
x = 80,913,922.52
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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.