Finding the Fourth Proportional to 168,935,895.09, 233,131,535.15 and 91,673,559.09
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Solution
The fourth proportional to 168,935,895.09, 233,131,535.15 and 91,673,559.09 is: 126,509,511.50
Step by Step Solution
- Step 1: Write the proportion equation
168,935,895.09 : 233,131,535.15 = 91,673,559.09 : x - Step 2: Convert to fraction form
168,935,895.09/233,131,535.15 = 91,673,559.09/x - Step 3: Cross multiply
168,935,895.09x = 233,131,535.15 × 91,673,559.09 - Step 4: Simplify right side
168,935,895.09x = 21,371,997,562,857,572 - Step 5: Solve for x
x = 21,371,997,562,857,572/168,935,895.09 - Step 6: Final answer
x = 126,509,511.50
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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.