Finding the Fourth Proportional to 149,780,233.60, 224,670,350.40 and 125,593,763.20
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Solution
The fourth proportional to 149,780,233.60, 224,670,350.40 and 125,593,763.20 is: 188,390,644.80
Step by Step Solution
- Step 1: Write the proportion equation
149,780,233.60 : 224,670,350.40 = 125,593,763.20 : x - Step 2: Convert to fraction form
149,780,233.60/224,670,350.40 = 125,593,763.20/x - Step 3: Cross multiply
149,780,233.60x = 224,670,350.40 × 125,593,763.20 - Step 4: Simplify right side
149,780,233.60x = 28,217,194,786,198,628 - Step 5: Solve for x
x = 28,217,194,786,198,628/149,780,233.60 - Step 6: Final answer
x = 188,390,644.80
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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.