Finding the Fourth Proportional to 124,416,107.40, 186,624,161.10 and 98,438,046.60
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Solution
The fourth proportional to 124,416,107.40, 186,624,161.10 and 98,438,046.60 is: 147,657,069.90
Step by Step Solution
- Step 1: Write the proportion equation
124,416,107.40 : 186,624,161.10 = 98,438,046.60 : x - Step 2: Convert to fraction form
124,416,107.40/186,624,161.10 = 98,438,046.60/x - Step 3: Cross multiply
124,416,107.40x = 186,624,161.10 × 98,438,046.60 - Step 4: Simplify right side
124,416,107.40x = 18,370,917,867,047,704 - Step 5: Solve for x
x = 18,370,917,867,047,704/124,416,107.40 - Step 6: Final answer
x = 147,657,069.90
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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.