Finding the Fourth Proportional to 143,510,763,349.58, 215,216,294,529.96 and 79,865,235,071.68
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Solution
The fourth proportional to 143,510,763,349.58, 215,216,294,529.96 and 79,865,235,071.68 is: 119,770,110,287.98
Step by Step Solution
- Step 1: Write the proportion equation
143,510,763,349.58 : 215,216,294,529.96 = 79,865,235,071.68 : x - Step 2: Convert to fraction form
143,510,763,349.58/215,216,294,529.96 = 79,865,235,071.68/x - Step 3: Cross multiply
143,510,763,349.58x = 215,216,294,529.96 × 79,865,235,071.68 - Step 4: Simplify right side
143,510,763,349.58x = 17,188,299,953,892,036,182,016 - Step 5: Solve for x
x = 17,188,299,953,892,036,182,016/143,510,763,349.58 - Step 6: Final answer
x = 119,770,110,287.98
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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.