Finding the Fourth Proportional to 149,468,197.80, 224,202,296.70 and 80,593,444.20
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Solution
The fourth proportional to 149,468,197.80, 224,202,296.70 and 80,593,444.20 is: 120,890,166.30
Step by Step Solution
- Step 1: Write the proportion equation
149,468,197.80 : 224,202,296.70 = 80,593,444.20 : x - Step 2: Convert to fraction form
149,468,197.80/224,202,296.70 = 80,593,444.20/x - Step 3: Cross multiply
149,468,197.80x = 224,202,296.70 × 80,593,444.20 - Step 4: Simplify right side
149,468,197.80x = 18,069,235,288,603,292 - Step 5: Solve for x
x = 18,069,235,288,603,292/149,468,197.80 - Step 6: Final answer
x = 120,890,166.30
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1.5x scale
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.