Finding the Fourth Proportional to 110,278,338.68, 152,182,857.12 and 60,717,700.28
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Solution
The fourth proportional to 110,278,338.68, 152,182,857.12 and 60,717,700.28 is: 83,789,738.01
Step by Step Solution
- Step 1: Write the proportion equation
110,278,338.68 : 152,182,857.12 = 60,717,700.28 : x - Step 2: Convert to fraction form
110,278,338.68/152,182,857.12 = 60,717,700.28/x - Step 3: Cross multiply
110,278,338.68x = 152,182,857.12 × 60,717,700.28 - Step 4: Simplify right side
110,278,338.68x = 9,240,193,106,366,224 - Step 5: Solve for x
x = 9,240,193,106,366,224/110,278,338.68 - Step 6: Final answer
x = 83,789,738.01
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1.5x scale
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.