Finding the Fourth Proportional to 197,621,765.01, 272,714,706.18 and 109,515,583.17
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Solution
The fourth proportional to 197,621,765.01, 272,714,706.18 and 109,515,583.17 is: 151,129,659.65
Step by Step Solution
- Step 1: Write the proportion equation
197,621,765.01 : 272,714,706.18 = 109,515,583.17 : x - Step 2: Convert to fraction form
197,621,765.01/272,714,706.18 = 109,515,583.17/x - Step 3: Cross multiply
197,621,765.01x = 272,714,706.18 × 109,515,583.17 - Step 4: Simplify right side
197,621,765.01x = 29,866,510,086,337,904 - Step 5: Solve for x
x = 29,866,510,086,337,904/197,621,765.01 - Step 6: Final answer
x = 151,129,659.65
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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.