Finding the Fourth Proportional to 183,784,416.80, 275,676,625.20 and 115,759,968.80
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Solution
The fourth proportional to 183,784,416.80, 275,676,625.20 and 115,759,968.80 is: 173,639,953.20
Step by Step Solution
- Step 1: Write the proportion equation
183,784,416.80 : 275,676,625.20 = 115,759,968.80 : x - Step 2: Convert to fraction form
183,784,416.80/275,676,625.20 = 115,759,968.80/x - Step 3: Cross multiply
183,784,416.80x = 275,676,625.20 × 115,759,968.80 - Step 4: Simplify right side
183,784,416.80x = 31,912,317,532,041,292 - Step 5: Solve for x
x = 31,912,317,532,041,292/183,784,416.80 - Step 6: Final answer
x = 173,639,953.20
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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.