Finding the Fourth Proportional to 159,651,010.80, 239,476,516.20 and 68,951,746.80
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Solution
The fourth proportional to 159,651,010.80, 239,476,516.20 and 68,951,746.80 is: 103,427,620.20
Step by Step Solution
- Step 1: Write the proportion equation
159,651,010.80 : 239,476,516.20 = 68,951,746.80 : x - Step 2: Convert to fraction form
159,651,010.80/239,476,516.20 = 68,951,746.80/x - Step 3: Cross multiply
159,651,010.80x = 239,476,516.20 × 68,951,746.80 - Step 4: Simplify right side
159,651,010.80x = 16,512,324,109,568,496 - Step 5: Solve for x
x = 16,512,324,109,568,496/159,651,010.80 - Step 6: Final answer
x = 103,427,620.20
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1.5x scale
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.