Finding the Fourth Proportional to 81,292,869.64, 112,182,752.28 and 44,122,352.32
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Solution
The fourth proportional to 81,292,869.64, 112,182,752.28 and 44,122,352.32 is: 60,888,082.09
Step by Step Solution
- Step 1: Write the proportion equation
81,292,869.64 : 112,182,752.28 = 44,122,352.32 : x - Step 2: Convert to fraction form
81,292,869.64/112,182,752.28 = 44,122,352.32/x - Step 3: Cross multiply
81,292,869.64x = 112,182,752.28 × 44,122,352.32 - Step 4: Simplify right side
81,292,869.64x = 4,949,766,920,325,443 - Step 5: Solve for x
x = 4,949,766,920,325,443/81,292,869.64 - Step 6: Final answer
x = 60,888,082.09
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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.