Finding the Fourth Proportional to 73,538,212.20, 110,108,252.70 and 57,612,964.20
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Solution
The fourth proportional to 73,538,212.20, 110,108,252.70 and 57,612,964.20 is: 86,263,489.84
Step by Step Solution
- Step 1: Write the proportion equation
73,538,212.20 : 110,108,252.70 = 57,612,964.20 : x - Step 2: Convert to fraction form
73,538,212.20/110,108,252.70 = 57,612,964.20/x - Step 3: Cross multiply
73,538,212.20x = 110,108,252.70 × 57,612,964.20 - Step 4: Simplify right side
73,538,212.20x = 6,343,662,820,929,654 - Step 5: Solve for x
x = 6,343,662,820,929,654/73,538,212.20 - Step 6: Final answer
x = 86,263,489.84
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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.