Finding the Fourth Proportional to 64,086,081.80, 96,203,772.30 and 38,555,918.60
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Solution
The fourth proportional to 64,086,081.80, 96,203,772.30 and 38,555,918.60 is: 57,878,789.12
Step by Step Solution
- Step 1: Write the proportion equation
64,086,081.80 : 96,203,772.30 = 38,555,918.60 : x - Step 2: Convert to fraction form
64,086,081.80/96,203,772.30 = 38,555,918.60/x - Step 3: Cross multiply
64,086,081.80x = 96,203,772.30 × 38,555,918.60 - Step 4: Simplify right side
64,086,081.80x = 3,709,224,813,811,735 - Step 5: Solve for x
x = 3,709,224,813,811,735/64,086,081.80 - Step 6: Final answer
x = 57,878,789.12
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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.