Finding the Fourth Proportional to 206,713,161.52, 310,115,143.99 and 61,135,373.27
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Solution
The fourth proportional to 206,713,161.52, 310,115,143.99 and 61,135,373.27 is: 91,716,487.45
Step by Step Solution
- Step 1: Write the proportion equation
206,713,161.52 : 310,115,143.99 = 61,135,373.27 : x - Step 2: Convert to fraction form
206,713,161.52/310,115,143.99 = 61,135,373.27/x - Step 3: Cross multiply
206,713,161.52x = 310,115,143.99 × 61,135,373.27 - Step 4: Simplify right side
206,713,161.52x = 18,959,005,084,508,448 - Step 5: Solve for x
x = 18,959,005,084,508,448/206,713,161.52 - Step 6: Final answer
x = 91,716,487.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.