Finding the Fourth Proportional to 205,268,394.33, 283,199,395.29 and 155,657,086.65
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Solution
The fourth proportional to 205,268,394.33, 283,199,395.29 and 155,657,086.65 is: 214,752,947.99
Step by Step Solution
- Step 1: Write the proportion equation
205,268,394.33 : 283,199,395.29 = 155,657,086.65 : x - Step 2: Convert to fraction form
205,268,394.33/283,199,395.29 = 155,657,086.65/x - Step 3: Cross multiply
205,268,394.33x = 283,199,395.29 × 155,657,086.65 - Step 4: Simplify right side
205,268,394.33x = 44,081,992,811,883,136 - Step 5: Solve for x
x = 44,081,992,811,883,136/205,268,394.33 - Step 6: Final answer
x = 214,752,947.99
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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.