Finding the Fourth Proportional to 281,371,029.21, 388,313,561.39 and 177,038,532.09
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Solution
The fourth proportional to 281,371,029.21, 388,313,561.39 and 177,038,532.09 is: 244,326,727.92
Step by Step Solution
- Step 1: Write the proportion equation
281,371,029.21 : 388,313,561.39 = 177,038,532.09 : x - Step 2: Convert to fraction form
281,371,029.21/388,313,561.39 = 177,038,532.09/x - Step 3: Cross multiply
281,371,029.21x = 388,313,561.39 × 177,038,532.09 - Step 4: Simplify right side
281,371,029.21x = 68,746,462,898,240,504 - Step 5: Solve for x
x = 68,746,462,898,240,504/281,371,029.21 - Step 6: Final answer
x = 244,326,727.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.