Finding the Fourth Proportional to 149,544,811.80, 224,317,217.70 and 68,923,243.80
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Solution
The fourth proportional to 149,544,811.80, 224,317,217.70 and 68,923,243.80 is: 103,384,865.70
Step by Step Solution
- Step 1: Write the proportion equation
149,544,811.80 : 224,317,217.70 = 68,923,243.80 : x - Step 2: Convert to fraction form
149,544,811.80/224,317,217.70 = 68,923,243.80/x - Step 3: Cross multiply
149,544,811.80x = 224,317,217.70 × 68,923,243.80 - Step 4: Simplify right side
149,544,811.80x = 15,460,670,284,074,774 - Step 5: Solve for x
x = 15,460,670,284,074,774/149,544,811.80 - Step 6: Final answer
x = 103,384,865.70
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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.