Finding the Fourth Proportional to 79,188,703.11, 118,629,839.59 and 44,539,829.28
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Solution
The fourth proportional to 79,188,703.11, 118,629,839.59 and 44,539,829.28 is: 66,723,567.82
Step by Step Solution
- Step 1: Write the proportion equation
79,188,703.11 : 118,629,839.59 = 44,539,829.28 : x - Step 2: Convert to fraction form
79,188,703.11/118,629,839.59 = 44,539,829.28/x - Step 3: Cross multiply
79,188,703.11x = 118,629,839.59 × 44,539,829.28 - Step 4: Simplify right side
79,188,703.11x = 5,283,752,802,852,385 - Step 5: Solve for x
x = 5,283,752,802,852,385/79,188,703.11 - Step 6: Final answer
x = 66,723,567.82
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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.