Finding the Fourth Proportional to 206,713,161.02, 310,115,143.25 and 61,135,372.77
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Solution
The fourth proportional to 206,713,161.02, 310,115,143.25 and 61,135,372.77 is: 91,716,486.70
Step by Step Solution
- Step 1: Write the proportion equation
206,713,161.02 : 310,115,143.25 = 61,135,372.77 : x - Step 2: Convert to fraction form
206,713,161.02/310,115,143.25 = 61,135,372.77/x - Step 3: Cross multiply
206,713,161.02x = 310,115,143.25 × 61,135,372.77 - Step 4: Simplify right side
206,713,161.02x = 18,959,004,883,905,024 - Step 5: Solve for x
x = 18,959,004,883,905,024/206,713,161.02 - Step 6: Final answer
x = 91,716,486.70
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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.