Finding the Fourth Proportional to 149,478,423.80, 224,217,635.70 and 68,856,855.80
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Solution
The fourth proportional to 149,478,423.80, 224,217,635.70 and 68,856,855.80 is: 103,285,283.70
Step by Step Solution
- Step 1: Write the proportion equation
149,478,423.80 : 224,217,635.70 = 68,856,855.80 : x - Step 2: Convert to fraction form
149,478,423.80/224,217,635.70 = 68,856,855.80/x - Step 3: Cross multiply
149,478,423.80x = 224,217,635.70 × 68,856,855.80 - Step 4: Simplify right side
149,478,423.80x = 15,438,921,409,211,830 - Step 5: Solve for x
x = 15,438,921,409,211,830/149,478,423.80 - Step 6: Final answer
x = 103,285,283.70
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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.