Finding the Fourth Proportional to 220,765,983.10, 304,643,329.61 and 121,641,183.36
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Solution
The fourth proportional to 220,765,983.10, 304,643,329.61 and 121,641,183.36 is: 167,857,269.48
Step by Step Solution
- Step 1: Write the proportion equation
220,765,983.10 : 304,643,329.61 = 121,641,183.36 : x - Step 2: Convert to fraction form
220,765,983.10/304,643,329.61 = 121,641,183.36/x - Step 3: Cross multiply
220,765,983.10x = 304,643,329.61 × 121,641,183.36 - Step 4: Simplify right side
220,765,983.10x = 37,057,175,115,882,720 - Step 5: Solve for x
x = 37,057,175,115,882,720/220,765,983.10 - Step 6: Final answer
x = 167,857,269.48
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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.