Finding the Fourth Proportional to 167,951,477.60, 251,927,216.40 and 71,016,639.20
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Solution
The fourth proportional to 167,951,477.60, 251,927,216.40 and 71,016,639.20 is: 106,524,958.80
Step by Step Solution
- Step 1: Write the proportion equation
167,951,477.60 : 251,927,216.40 = 71,016,639.20 : x - Step 2: Convert to fraction form
167,951,477.60/251,927,216.40 = 71,016,639.20/x - Step 3: Cross multiply
167,951,477.60x = 251,927,216.40 × 71,016,639.20 - Step 4: Simplify right side
167,951,477.60x = 17,891,024,231,739,124 - Step 5: Solve for x
x = 17,891,024,231,739,124/167,951,477.60 - Step 6: Final answer
x = 106,524,958.80
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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.