Finding the Fourth Proportional to 85,698,249.76, 118,299,776.79 and 57,858,674.50
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Solution
The fourth proportional to 85,698,249.76, 118,299,776.79 and 57,858,674.50 is: 79,869,405.71
Step by Step Solution
- Step 1: Write the proportion equation
85,698,249.76 : 118,299,776.79 = 57,858,674.50 : x - Step 2: Convert to fraction form
85,698,249.76/118,299,776.79 = 57,858,674.50/x - Step 3: Cross multiply
85,698,249.76x = 118,299,776.79 × 57,858,674.50 - Step 4: Simplify right side
85,698,249.76x = 6,844,668,278,715,265 - Step 5: Solve for x
x = 6,844,668,278,715,265/85,698,249.76 - Step 6: Final answer
x = 79,869,405.71
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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.