Finding the Fourth Proportional to 61,236,268.20, 91,854,402.30 and 18,101,629.80
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Solution
The fourth proportional to 61,236,268.20, 91,854,402.30 and 18,101,629.80 is: 27,152,444.70
Step by Step Solution
- Step 1: Write the proportion equation
61,236,268.20 : 91,854,402.30 = 18,101,629.80 : x - Step 2: Convert to fraction form
61,236,268.20/91,854,402.30 = 18,101,629.80/x - Step 3: Cross multiply
61,236,268.20x = 91,854,402.30 × 18,101,629.80 - Step 4: Simplify right side
61,236,268.20x = 1,662,714,385,934,868.50 - Step 5: Solve for x
x = 1,662,714,385,934,868.50/61,236,268.20 - Step 6: Final answer
x = 27,152,444.70
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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.