Finding the Fourth Proportional to 104,088,527.83, 143,641,781.35 and 57,678,744.75
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Solution
The fourth proportional to 104,088,527.83, 143,641,781.35 and 57,678,744.75 is: 79,596,453.28
Step by Step Solution
- Step 1: Write the proportion equation
104,088,527.83 : 143,641,781.35 = 57,678,744.75 : x - Step 2: Convert to fraction form
104,088,527.83/143,641,781.35 = 57,678,744.75/x - Step 3: Cross multiply
104,088,527.83x = 143,641,781.35 × 57,678,744.75 - Step 4: Simplify right side
104,088,527.83x = 8,285,077,641,921,960 - Step 5: Solve for x
x = 8,285,077,641,921,960/104,088,527.83 - Step 6: Final answer
x = 79,596,453.28
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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.