Finding the Fourth Proportional to 541,748,108.70, 812,622,163.05 and 132,804,259.20
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Solution
The fourth proportional to 541,748,108.70, 812,622,163.05 and 132,804,259.20 is: 199,206,388.80
Step by Step Solution
- Step 1: Write the proportion equation
541,748,108.70 : 812,622,163.05 = 132,804,259.20 : x - Step 2: Convert to fraction form
541,748,108.70/812,622,163.05 = 132,804,259.20/x - Step 3: Cross multiply
541,748,108.70x = 812,622,163.05 × 132,804,259.20 - Step 4: Simplify right side
541,748,108.70x = 107,919,684,373,356,864 - Step 5: Solve for x
x = 107,919,684,373,356,864/541,748,108.70 - Step 6: Final answer
x = 199,206,388.80
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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.