Finding the Fourth Proportional to 124,416,101.40, 186,624,152.10 and 38,167,819.80
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Solution
The fourth proportional to 124,416,101.40, 186,624,152.10 and 38,167,819.80 is: 57,251,729.70
Step by Step Solution
- Step 1: Write the proportion equation
124,416,101.40 : 186,624,152.10 = 38,167,819.80 : x - Step 2: Convert to fraction form
124,416,101.40/186,624,152.10 = 38,167,819.80/x - Step 3: Cross multiply
124,416,101.40x = 186,624,152.10 × 38,167,819.80 - Step 4: Simplify right side
124,416,101.40x = 7,123,037,007,680,591 - Step 5: Solve for x
x = 7,123,037,007,680,591/124,416,101.40 - Step 6: Final answer
x = 57,251,729.70
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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.