Finding the Fourth Proportional to 112,021,909.48, 167,715,986.19 and 59,379,631.62
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Solution
The fourth proportional to 112,021,909.48, 167,715,986.19 and 59,379,631.62 is: 88,901,479.39
Step by Step Solution
- Step 1: Write the proportion equation
112,021,909.48 : 167,715,986.19 = 59,379,631.62 : x - Step 2: Convert to fraction form
112,021,909.48/167,715,986.19 = 59,379,631.62/x - Step 3: Cross multiply
112,021,909.48x = 167,715,986.19 × 59,379,631.62 - Step 4: Simplify right side
112,021,909.48x = 9,958,913,476,747,206 - Step 5: Solve for x
x = 9,958,913,476,747,206/112,021,909.48 - Step 6: Final answer
x = 88,901,479.39
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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.