Finding the Fourth Proportional to 53,447,284.74, 80,227,619.79 and 47,338,920.06
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Solution
The fourth proportional to 53,447,284.74, 80,227,619.79 and 47,338,920.06 is: 71,058,593.50
Step by Step Solution
- Step 1: Write the proportion equation
53,447,284.74 : 80,227,619.79 = 47,338,920.06 : x - Step 2: Convert to fraction form
53,447,284.74/80,227,619.79 = 47,338,920.06/x - Step 3: Cross multiply
53,447,284.74x = 80,227,619.79 × 47,338,920.06 - Step 4: Simplify right side
53,447,284.74x = 3,797,888,879,842,884.50 - Step 5: Solve for x
x = 3,797,888,879,842,884.50/53,447,284.74 - Step 6: Final answer
x = 71,058,593.50
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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.