Finding the Fourth Proportional to 168,039,365.80, 252,059,048.70 and 40,388,549.80
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Solution
The fourth proportional to 168,039,365.80, 252,059,048.70 and 40,388,549.80 is: 60,582,824.70
Step by Step Solution
- Step 1: Write the proportion equation
168,039,365.80 : 252,059,048.70 = 40,388,549.80 : x - Step 2: Convert to fraction form
168,039,365.80/252,059,048.70 = 40,388,549.80/x - Step 3: Cross multiply
168,039,365.80x = 252,059,048.70 × 40,388,549.80 - Step 4: Simplify right side
168,039,365.80x = 10,180,299,440,960,574 - Step 5: Solve for x
x = 10,180,299,440,960,574/168,039,365.80 - Step 6: Final answer
x = 60,582,824.70
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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.