Finding the Fourth Proportional to 42,624,141.80, 63,936,212.70 and 24,409,639.40
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Solution
The fourth proportional to 42,624,141.80, 63,936,212.70 and 24,409,639.40 is: 36,614,459.10
Step by Step Solution
- Step 1: Write the proportion equation
42,624,141.80 : 63,936,212.70 = 24,409,639.40 : x - Step 2: Convert to fraction form
42,624,141.80/63,936,212.70 = 24,409,639.40/x - Step 3: Cross multiply
42,624,141.80x = 63,936,212.70 × 24,409,639.40 - Step 4: Simplify right side
42,624,141.80x = 1,560,659,896,608,700.25 - Step 5: Solve for x
x = 1,560,659,896,608,700.25/42,624,141.80 - Step 6: Final answer
x = 36,614,459.10
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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.