Finding the Fourth Proportional to 57,929,201.94, 79,943,117.49 and 31,826,132.22
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Solution
The fourth proportional to 57,929,201.94, 79,943,117.49 and 31,826,132.22 is: 43,920,512.32
Step by Step Solution
- Step 1: Write the proportion equation
57,929,201.94 : 79,943,117.49 = 31,826,132.22 : x - Step 2: Convert to fraction form
57,929,201.94/79,943,117.49 = 31,826,132.22/x - Step 3: Cross multiply
57,929,201.94x = 79,943,117.49 × 31,826,132.22 - Step 4: Simplify right side
57,929,201.94x = 2,544,280,227,315,734.50 - Step 5: Solve for x
x = 2,544,280,227,315,734.50/57,929,201.94 - Step 6: Final answer
x = 43,920,512.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.