Finding the Fourth Proportional to 53,991,215.70, 80,993,927.55 and 19,936,482.90
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Solution
The fourth proportional to 53,991,215.70, 80,993,927.55 and 19,936,482.90 is: 29,907,347.53
Step by Step Solution
- Step 1: Write the proportion equation
53,991,215.70 : 80,993,927.55 = 19,936,482.90 : x - Step 2: Convert to fraction form
53,991,215.70/80,993,927.55 = 19,936,482.90/x - Step 3: Cross multiply
53,991,215.70x = 80,993,927.55 × 19,936,482.90 - Step 4: Simplify right side
53,991,215.70x = 1,614,734,051,604,413.75 - Step 5: Solve for x
x = 1,614,734,051,604,413.75/53,991,215.70 - Step 6: Final answer
x = 29,907,347.53
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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.