Finding the Fourth Proportional to 149,468,184.30, 224,202,276.45 and 68,689,152.30
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Solution
The fourth proportional to 149,468,184.30, 224,202,276.45 and 68,689,152.30 is: 103,033,728.45
Step by Step Solution
- Step 1: Write the proportion equation
149,468,184.30 : 224,202,276.45 = 68,689,152.30 : x - Step 2: Convert to fraction form
149,468,184.30/224,202,276.45 = 68,689,152.30/x - Step 3: Cross multiply
149,468,184.30x = 224,202,276.45 × 68,689,152.30 - Step 4: Simplify right side
149,468,184.30x = 15,400,264,313,080,752 - Step 5: Solve for x
x = 15,400,264,313,080,752/149,468,184.30 - Step 6: Final answer
x = 103,033,728.45
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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.