Finding the Fourth Proportional to 80,884,938.83, 121,315,448.99 and 29,755,000.22
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Solution
The fourth proportional to 80,884,938.83, 121,315,448.99 and 29,755,000.22 is: 44,628,100.90
Step by Step Solution
- Step 1: Write the proportion equation
80,884,938.83 : 121,315,448.99 = 29,755,000.22 : x - Step 2: Convert to fraction form
80,884,938.83/121,315,448.99 = 29,755,000.22/x - Step 3: Cross multiply
80,884,938.83x = 121,315,448.99 × 29,755,000.22 - Step 4: Simplify right side
80,884,938.83x = 3,609,741,210,854,659 - Step 5: Solve for x
x = 3,609,741,210,854,659/80,884,938.83 - Step 6: Final answer
x = 44,628,100.90
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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.