Finding the Fourth Proportional to 84,392,911.24, 126,588,655.74 and 65,964,357.24
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Solution
The fourth proportional to 84,392,911.24, 126,588,655.74 and 65,964,357.24 is: 98,945,980.03
Step by Step Solution
- Step 1: Write the proportion equation
84,392,911.24 : 126,588,655.74 = 65,964,357.24 : x - Step 2: Convert to fraction form
84,392,911.24/126,588,655.74 = 65,964,357.24/x - Step 3: Cross multiply
84,392,911.24x = 126,588,655.74 × 65,964,357.24 - Step 4: Simplify right side
84,392,911.24x = 8,350,339,309,764,736 - Step 5: Solve for x
x = 8,350,339,309,764,736/84,392,911.24 - Step 6: Final answer
x = 98,945,980.03
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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.