Finding the Fourth Proportional to 201,408,031.80, 302,236,463.70 and 80,226,847.80
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Solution
The fourth proportional to 201,408,031.80, 302,236,463.70 and 80,226,847.80 is: 120,389,830.32
Step by Step Solution
- Step 1: Write the proportion equation
201,408,031.80 : 302,236,463.70 = 80,226,847.80 : x - Step 2: Convert to fraction form
201,408,031.80/302,236,463.70 = 80,226,847.80/x - Step 3: Cross multiply
201,408,031.80x = 302,236,463.70 × 80,226,847.80 - Step 4: Simplify right side
201,408,031.80x = 24,247,478,772,870,124 - Step 5: Solve for x
x = 24,247,478,772,870,124/201,408,031.80 - Step 6: Final answer
x = 120,389,830.32
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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.