Finding the Fourth Proportional to 65,379,958.36, 90,224,338.26 and 37,893,829.84
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Solution
The fourth proportional to 65,379,958.36, 90,224,338.26 and 37,893,829.84 is: 52,293,482.70
Step by Step Solution
- Step 1: Write the proportion equation
65,379,958.36 : 90,224,338.26 = 37,893,829.84 : x - Step 2: Convert to fraction form
65,379,958.36/90,224,338.26 = 37,893,829.84/x - Step 3: Cross multiply
65,379,958.36x = 90,224,338.26 × 37,893,829.84 - Step 4: Simplify right side
65,379,958.36x = 3,418,945,721,451,042 - Step 5: Solve for x
x = 3,418,945,721,451,042/65,379,958.36 - Step 6: Final answer
x = 52,293,482.70
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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.