Finding the Fourth Proportional to 206,489,762.71, 309,733,265.99 and 83,666,268.07
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Solution
The fourth proportional to 206,489,762.71, 309,733,265.99 and 83,666,268.07 is: 125,498,843.73
Step by Step Solution
- Step 1: Write the proportion equation
206,489,762.71 : 309,733,265.99 = 83,666,268.07 : x - Step 2: Convert to fraction form
206,489,762.71/309,733,265.99 = 83,666,268.07/x - Step 3: Cross multiply
206,489,762.71x = 309,733,265.99 × 83,666,268.07 - Step 4: Simplify right side
206,489,762.71x = 25,914,226,462,097,620 - Step 5: Solve for x
x = 25,914,226,462,097,620/206,489,762.71 - Step 6: Final answer
x = 125,498,843.73
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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.