Finding the Fourth Proportional to 124,416,043.20, 186,624,064.80 and 119,377,195.20
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Solution
The fourth proportional to 124,416,043.20, 186,624,064.80 and 119,377,195.20 is: 179,065,792.80
Step by Step Solution
- Step 1: Write the proportion equation
124,416,043.20 : 186,624,064.80 = 119,377,195.20 : x - Step 2: Convert to fraction form
124,416,043.20/186,624,064.80 = 119,377,195.20/x - Step 3: Cross multiply
124,416,043.20x = 186,624,064.80 × 119,377,195.20 - Step 4: Simplify right side
124,416,043.20x = 22,278,657,412,647,052 - Step 5: Solve for x
x = 22,278,657,412,647,052/124,416,043.20 - Step 6: Final answer
x = 179,065,792.80
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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.