Finding the Fourth Proportional to 71,569,709.65, 107,354,564.48 and 33,218,477.65
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Solution
The fourth proportional to 71,569,709.65, 107,354,564.48 and 33,218,477.65 is: 49,827,716.48
Step by Step Solution
- Step 1: Write the proportion equation
71,569,709.65 : 107,354,564.48 = 33,218,477.65 : x - Step 2: Convert to fraction form
71,569,709.65/107,354,564.48 = 33,218,477.65/x - Step 3: Cross multiply
71,569,709.65x = 107,354,564.48 × 33,218,477.65 - Step 4: Simplify right side
71,569,709.65x = 3,566,155,200,804,364 - Step 5: Solve for x
x = 3,566,155,200,804,364/71,569,709.65 - Step 6: Final answer
x = 49,827,716.48
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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.