Finding the Fourth Proportional to 281,371,030.71, 388,313,563.46 and 177,038,533.59
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Solution
The fourth proportional to 281,371,030.71, 388,313,563.46 and 177,038,533.59 is: 244,326,729.99
Step by Step Solution
- Step 1: Write the proportion equation
281,371,030.71 : 388,313,563.46 = 177,038,533.59 : x - Step 2: Convert to fraction form
281,371,030.71/388,313,563.46 = 177,038,533.59/x - Step 3: Cross multiply
281,371,030.71x = 388,313,563.46 × 177,038,533.59 - Step 4: Simplify right side
281,371,030.71x = 68,746,463,847,180,616 - Step 5: Solve for x
x = 68,746,463,847,180,616/281,371,030.71 - Step 6: Final answer
x = 244,326,729.99
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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.