Finding the Fourth Proportional to 50,415,756.35, 75,578,769.50 and 19,703,351.66
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Solution
The fourth proportional to 50,415,756.35, 75,578,769.50 and 19,703,351.66 is: 29,537,493.45
Step by Step Solution
- Step 1: Write the proportion equation
50,415,756.35 : 75,578,769.50 = 19,703,351.66 : x - Step 2: Convert to fraction form
50,415,756.35/75,578,769.50 = 19,703,351.66/x - Step 3: Cross multiply
50,415,756.35x = 75,578,769.50 × 19,703,351.66 - Step 4: Simplify right side
50,415,756.35x = 1,489,155,073,012,172 - Step 5: Solve for x
x = 1,489,155,073,012,172/50,415,756.35 - Step 6: Final answer
x = 29,537,493.45
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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.