Finding the Fourth Proportional to 168,497,228.80, 252,745,843.20 and 95,685,875.20
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Solution
The fourth proportional to 168,497,228.80, 252,745,843.20 and 95,685,875.20 is: 143,528,812.80
Step by Step Solution
- Step 1: Write the proportion equation
168,497,228.80 : 252,745,843.20 = 95,685,875.20 : x - Step 2: Convert to fraction form
168,497,228.80/252,745,843.20 = 95,685,875.20/x - Step 3: Cross multiply
168,497,228.80x = 252,745,843.20 × 95,685,875.20 - Step 4: Simplify right side
168,497,228.80x = 24,184,207,209,753,968 - Step 5: Solve for x
x = 24,184,207,209,753,968/168,497,228.80 - Step 6: Final answer
x = 143,528,812.80
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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.