Finding the Fourth Proportional to 149,727,781.80, 224,591,672.70 and 42,022,405.80
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Solution
The fourth proportional to 149,727,781.80, 224,591,672.70 and 42,022,405.80 is: 63,033,608.70
Step by Step Solution
- Step 1: Write the proportion equation
149,727,781.80 : 224,591,672.70 = 42,022,405.80 : x - Step 2: Convert to fraction form
149,727,781.80/224,591,672.70 = 42,022,405.80/x - Step 3: Cross multiply
149,727,781.80x = 224,591,672.70 × 42,022,405.80 - Step 4: Simplify right side
149,727,781.80x = 9,437,882,409,500,180 - Step 5: Solve for x
x = 9,437,882,409,500,180/149,727,781.80 - Step 6: Final answer
x = 63,033,608.70
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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.