Finding the Fourth Proportional to 62,910,763.74, 86,772,132.66 and 41,992,249.53
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Solution
The fourth proportional to 62,910,763.74, 86,772,132.66 and 41,992,249.53 is: 57,919,453.37
Step by Step Solution
- Step 1: Write the proportion equation
62,910,763.74 : 86,772,132.66 = 41,992,249.53 : x - Step 2: Convert to fraction form
62,910,763.74/86,772,132.66 = 41,992,249.53/x - Step 3: Cross multiply
62,910,763.74x = 86,772,132.66 × 41,992,249.53 - Step 4: Simplify right side
62,910,763.74x = 3,643,757,046,908,982.50 - Step 5: Solve for x
x = 3,643,757,046,908,982.50/62,910,763.74 - Step 6: Final answer
x = 57,919,453.37
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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.