Finding the Fourth Proportional to 64,873,686.24, 89,048,809.08 and 57,367,046.88
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Solution
The fourth proportional to 64,873,686.24, 89,048,809.08 and 57,367,046.88 is: 78,744,827.08
Step by Step Solution
- Step 1: Write the proportion equation
64,873,686.24 : 89,048,809.08 = 57,367,046.88 : x - Step 2: Convert to fraction form
64,873,686.24/89,048,809.08 = 57,367,046.88/x - Step 3: Cross multiply
64,873,686.24x = 89,048,809.08 × 57,367,046.88 - Step 4: Simplify right side
64,873,686.24x = 5,108,467,205,100,530 - Step 5: Solve for x
x = 5,108,467,205,100,530/64,873,686.24 - Step 6: Final answer
x = 78,744,827.08
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.