Finding the Fourth Proportional to 144,850,846.80, 217,276,270.20 and 87,313,501.20
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Solution
The fourth proportional to 144,850,846.80, 217,276,270.20 and 87,313,501.20 is: 130,970,251.80
Step by Step Solution
- Step 1: Write the proportion equation
144,850,846.80 : 217,276,270.20 = 87,313,501.20 : x - Step 2: Convert to fraction form
144,850,846.80/217,276,270.20 = 87,313,501.20/x - Step 3: Cross multiply
144,850,846.80x = 217,276,270.20 × 87,313,501.20 - Step 4: Simplify right side
144,850,846.80x = 18,971,151,878,839,224 - Step 5: Solve for x
x = 18,971,151,878,839,224/144,850,846.80 - Step 6: Final answer
x = 130,970,251.80
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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.