Finding the Fourth Proportional to 146,388,209.11, 202,002,862.42 and 83,651,857.31
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Solution
The fourth proportional to 146,388,209.11, 202,002,862.42 and 83,651,857.31 is: 115,432,210.87
Step by Step Solution
- Step 1: Write the proportion equation
146,388,209.11 : 202,002,862.42 = 83,651,857.31 : x - Step 2: Convert to fraction form
146,388,209.11/202,002,862.42 = 83,651,857.31/x - Step 3: Cross multiply
146,388,209.11x = 202,002,862.42 × 83,651,857.31 - Step 4: Simplify right side
146,388,209.11x = 16,897,914,623,369,400 - Step 5: Solve for x
x = 16,897,914,623,369,400/146,388,209.11 - Step 6: Final answer
x = 115,432,210.87
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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.