Finding the Fourth Proportional to 131,958,744.99, 197,931,679.47 and 48,976,643.94
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Solution
The fourth proportional to 131,958,744.99, 197,931,679.47 and 48,976,643.94 is: 73,462,576.43
Step by Step Solution
- Step 1: Write the proportion equation
131,958,744.99 : 197,931,679.47 = 48,976,643.94 : x - Step 2: Convert to fraction form
131,958,744.99/197,931,679.47 = 48,976,643.94/x - Step 3: Cross multiply
131,958,744.99x = 197,931,679.47 × 48,976,643.94 - Step 4: Simplify right side
131,958,744.99x = 9,694,029,389,848,398 - Step 5: Solve for x
x = 9,694,029,389,848,398/131,958,744.99 - Step 6: Final answer
x = 73,462,576.43
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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.