Finding the Fourth Proportional to 149,468,204.80, 224,202,307.20 and 68,846,636.80
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Solution
The fourth proportional to 149,468,204.80, 224,202,307.20 and 68,846,636.80 is: 103,269,955.20
Step by Step Solution
- Step 1: Write the proportion equation
149,468,204.80 : 224,202,307.20 = 68,846,636.80 : x - Step 2: Convert to fraction form
149,468,204.80/224,202,307.20 = 68,846,636.80/x - Step 3: Cross multiply
149,468,204.80x = 224,202,307.20 × 68,846,636.80 - Step 4: Simplify right side
149,468,204.80x = 15,435,574,813,520,424 - Step 5: Solve for x
x = 15,435,574,813,520,424/149,468,204.80 - Step 6: Final answer
x = 103,269,955.20
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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.