Finding the Fourth Proportional to 135,015,440.44, 186,317,490.18 and 79,259,965.24
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Solution
The fourth proportional to 135,015,440.44, 186,317,490.18 and 79,259,965.24 is: 109,376,510.92
Step by Step Solution
- Step 1: Write the proportion equation
135,015,440.44 : 186,317,490.18 = 79,259,965.24 : x - Step 2: Convert to fraction form
135,015,440.44/186,317,490.18 = 79,259,965.24/x - Step 3: Cross multiply
135,015,440.44x = 186,317,490.18 × 79,259,965.24 - Step 4: Simplify right side
135,015,440.44x = 14,767,517,795,270,840 - Step 5: Solve for x
x = 14,767,517,795,270,840/135,015,440.44 - Step 6: Final answer
x = 109,376,510.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.