Finding the Fourth Proportional to 218,454,202.62, 301,454,700.39 and 119,315,210.94
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Solution
The fourth proportional to 218,454,202.62, 301,454,700.39 and 119,315,210.94 is: 164,648,382.75
Step by Step Solution
- Step 1: Write the proportion equation
218,454,202.62 : 301,454,700.39 = 119,315,210.94 : x - Step 2: Convert to fraction form
218,454,202.62/301,454,700.39 = 119,315,210.94/x - Step 3: Cross multiply
218,454,202.62x = 301,454,700.39 × 119,315,210.94 - Step 4: Simplify right side
218,454,202.62x = 35,968,131,165,887,348 - Step 5: Solve for x
x = 35,968,131,165,887,348/218,454,202.62 - Step 6: Final answer
x = 164,648,382.75
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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.