Finding the Fourth Proportional to 79,188,702.11, 118,629,838.09 and 44,539,828.28
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Solution
The fourth proportional to 79,188,702.11, 118,629,838.09 and 44,539,828.28 is: 66,723,566.33
Step by Step Solution
- Step 1: Write the proportion equation
79,188,702.11 : 118,629,838.09 = 44,539,828.28 : x - Step 2: Convert to fraction form
79,188,702.11/118,629,838.09 = 44,539,828.28/x - Step 3: Cross multiply
79,188,702.11x = 118,629,838.09 × 44,539,828.28 - Step 4: Simplify right side
79,188,702.11x = 5,283,752,617,412,803 - Step 5: Solve for x
x = 5,283,752,617,412,803/79,188,702.11 - Step 6: Final answer
x = 66,723,566.33
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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.