Finding the Fourth Proportional to 84,235,899.06, 116,234,853.66 and 49,415,884.74
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Solution
The fourth proportional to 84,235,899.06, 116,234,853.66 and 49,415,884.74 is: 68,187,651.53
Step by Step Solution
- Step 1: Write the proportion equation
84,235,899.06 : 116,234,853.66 = 49,415,884.74 : x - Step 2: Convert to fraction form
84,235,899.06/116,234,853.66 = 49,415,884.74/x - Step 3: Cross multiply
84,235,899.06x = 116,234,853.66 × 49,415,884.74 - Step 4: Simplify right side
84,235,899.06x = 5,743,848,131,233,327 - Step 5: Solve for x
x = 5,743,848,131,233,327/84,235,899.06 - Step 6: Final answer
x = 68,187,651.53
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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.