Finding the Fourth Proportional to 146,708,271.40, 220,062,407.10 and 135,622,805.80
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Solution
The fourth proportional to 146,708,271.40, 220,062,407.10 and 135,622,805.80 is: 203,434,208.70
Step by Step Solution
- Step 1: Write the proportion equation
146,708,271.40 : 220,062,407.10 = 135,622,805.80 : x - Step 2: Convert to fraction form
146,708,271.40/220,062,407.10 = 135,622,805.80/x - Step 3: Cross multiply
146,708,271.40x = 220,062,407.10 × 135,622,805.80 - Step 4: Simplify right side
146,708,271.40x = 29,845,481,102,003,844 - Step 5: Solve for x
x = 29,845,481,102,003,844/146,708,271.40 - Step 6: Final answer
x = 203,434,208.70
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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.