Finding the Fourth Proportional to 120,744,826.05, 181,117,239.08 and 86,984,544.45
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Solution
The fourth proportional to 120,744,826.05, 181,117,239.08 and 86,984,544.45 is: 130,476,816.68
Step by Step Solution
- Step 1: Write the proportion equation
120,744,826.05 : 181,117,239.08 = 86,984,544.45 : x - Step 2: Convert to fraction form
120,744,826.05/181,117,239.08 = 86,984,544.45/x - Step 3: Cross multiply
120,744,826.05x = 181,117,239.08 × 86,984,544.45 - Step 4: Simplify right side
120,744,826.05x = 15,754,400,532,980,614 - Step 5: Solve for x
x = 15,754,400,532,980,614/120,744,826.05 - Step 6: Final answer
x = 130,476,816.68
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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.