Finding the Fourth Proportional to 79,157,139.40, 118,750,625.61 and 29,987,720.56
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Solution
The fourth proportional to 79,157,139.40, 118,750,625.61 and 29,987,720.56 is: 44,987,231.78
Step by Step Solution
- Step 1: Write the proportion equation
79,157,139.40 : 118,750,625.61 = 29,987,720.56 : x - Step 2: Convert to fraction form
79,157,139.40/118,750,625.61 = 29,987,720.56/x - Step 3: Cross multiply
79,157,139.40x = 118,750,625.61 × 29,987,720.56 - Step 4: Simplify right side
79,157,139.40x = 3,561,060,577,117,859.50 - Step 5: Solve for x
x = 3,561,060,577,117,859.50/79,157,139.40 - Step 6: Final answer
x = 44,987,231.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.