Finding the Fourth Proportional to 286,532,053.48, 395,410,451.36 and 159,371,874.28
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Solution
The fourth proportional to 286,532,053.48, 395,410,451.36 and 159,371,874.28 is: 219,931,082.68
Step by Step Solution
- Step 1: Write the proportion equation
286,532,053.48 : 395,410,451.36 = 159,371,874.28 : x - Step 2: Convert to fraction form
286,532,053.48/395,410,451.36 = 159,371,874.28/x - Step 3: Cross multiply
286,532,053.48x = 395,410,451.36 × 159,371,874.28 - Step 4: Simplify right side
286,532,053.48x = 63,017,304,743,143,976 - Step 5: Solve for x
x = 63,017,304,743,143,976/286,532,053.48 - Step 6: Final answer
x = 219,931,082.68
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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.