Finding the Fourth Proportional to 55,295,444.40, 76,336,403.04 and 40,394,035.32
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Solution
The fourth proportional to 55,295,444.40, 76,336,403.04 and 40,394,035.32 is: 55,764,726.99
Step by Step Solution
- Step 1: Write the proportion equation
55,295,444.40 : 76,336,403.04 = 40,394,035.32 : x - Step 2: Convert to fraction form
55,295,444.40/76,336,403.04 = 40,394,035.32/x - Step 3: Cross multiply
55,295,444.40x = 76,336,403.04 × 40,394,035.32 - Step 4: Simplify right side
55,295,444.40x = 3,083,535,360,599,515.50 - Step 5: Solve for x
x = 3,083,535,360,599,515.50/55,295,444.40 - Step 6: Final answer
x = 55,764,726.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.