Finding the Fourth Proportional to 71,828,535.55, 107,742,804.24 and 17,241,120.94
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Solution
The fourth proportional to 71,828,535.55, 107,742,804.24 and 17,241,120.94 is: 25,861,681.64
Step by Step Solution
- Step 1: Write the proportion equation
71,828,535.55 : 107,742,804.24 = 17,241,120.94 : x - Step 2: Convert to fraction form
71,828,535.55/107,742,804.24 = 17,241,120.94/x - Step 3: Cross multiply
71,828,535.55x = 107,742,804.24 × 17,241,120.94 - Step 4: Simplify right side
71,828,535.55x = 1,857,606,718,585,941.50 - Step 5: Solve for x
x = 1,857,606,718,585,941.50/71,828,535.55 - Step 6: Final answer
x = 25,861,681.64
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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.