Finding the Fourth Proportional to 160,053,251.29, 239,422,218.68 and 127,768,210.54
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Solution
The fourth proportional to 160,053,251.29, 239,422,218.68 and 127,768,210.54 is: 191,127,316.68
Step by Step Solution
- Step 1: Write the proportion equation
160,053,251.29 : 239,422,218.68 = 127,768,210.54 : x - Step 2: Convert to fraction form
160,053,251.29/239,422,218.68 = 127,768,210.54/x - Step 3: Cross multiply
160,053,251.29x = 239,422,218.68 × 127,768,210.54 - Step 4: Simplify right side
160,053,251.29x = 30,590,548,443,981,024 - Step 5: Solve for x
x = 30,590,548,443,981,024/160,053,251.29 - Step 6: Final answer
x = 191,127,316.68
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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.