Finding the Fourth Proportional to 146,631,567.87, 202,329,091.62 and 84,739,963.59
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Solution
The fourth proportional to 146,631,567.87, 202,329,091.62 and 84,739,963.59 is: 116,928,162.92
Step by Step Solution
- Step 1: Write the proportion equation
146,631,567.87 : 202,329,091.62 = 84,739,963.59 : x - Step 2: Convert to fraction form
146,631,567.87/202,329,091.62 = 84,739,963.59/x - Step 3: Cross multiply
146,631,567.87x = 202,329,091.62 × 84,739,963.59 - Step 4: Simplify right side
146,631,567.87x = 17,145,359,857,076,576 - Step 5: Solve for x
x = 17,145,359,857,076,576/146,631,567.87 - Step 6: Final answer
x = 116,928,162.92
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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.