Finding the Fourth Proportional to 275,915,716.29, 413,875,068.89 and 81,828,813.08
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Solution
The fourth proportional to 275,915,716.29, 413,875,068.89 and 81,828,813.08 is: 122,743,662.84
Step by Step Solution
- Step 1: Write the proportion equation
275,915,716.29 : 413,875,068.89 = 81,828,813.08 : x - Step 2: Convert to fraction form
275,915,716.29/413,875,068.89 = 81,828,813.08/x - Step 3: Cross multiply
275,915,716.29x = 413,875,068.89 × 81,828,813.08 - Step 4: Simplify right side
275,915,716.29x = 33,866,905,651,297,476 - Step 5: Solve for x
x = 33,866,905,651,297,476/275,915,716.29 - Step 6: Final answer
x = 122,743,662.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.