Finding the Fourth Proportional to 198,378,129.60, 273,783,965.04 and 120,104,816.64
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Solution
The fourth proportional to 198,378,129.60, 273,783,965.04 and 120,104,816.64 is: 165,758,055.02
Step by Step Solution
- Step 1: Write the proportion equation
198,378,129.60 : 273,783,965.04 = 120,104,816.64 : x - Step 2: Convert to fraction form
198,378,129.60/273,783,965.04 = 120,104,816.64/x - Step 3: Cross multiply
198,378,129.60x = 273,783,965.04 × 120,104,816.64 - Step 4: Simplify right side
198,378,129.60x = 32,882,772,920,101,372 - Step 5: Solve for x
x = 32,882,772,920,101,372/198,378,129.60 - Step 6: Final answer
x = 165,758,055.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.